X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/001bf8f58763581d117edaa391aa13ac139eb39b..1d28cc061677bd07d9bed48dd84bd5c590247043:/src/src/macros.h

diff --git a/src/src/macros.h b/src/src/macros.h
index 0b647569b..243c1e5a0 100644
--- a/src/src/macros.h
+++ b/src/src/macros.h
@@ -2,9 +2,10 @@
 *     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-or-later */
 
 
 /* These two macros make it possible to obtain the result of macro-expanding
@@ -79,11 +80,6 @@ as unsigned. */
   ((uschar)(c) > 127 && print_topbitchars))
 
 
-/* Convenience for testing strings */
-
-#define streqic(Foo, Bar) (strcmpic(Foo, Bar) == 0)
-
-
 /* When built with TLS support, the act of flushing SMTP output becomes
 a no-op once an SSL session is in progress. */
 
@@ -110,8 +106,9 @@ don't make the file descriptors two-way. */
 
 /* Debugging control */
 
+#define LOG_NAME_SIZE 256
 #define DEBUG(x)      if (debug_selector & (x))
-#define HDEBUG(x)     if (host_checking || (debug_selector & (x)))
+#define HDEBUG(x)     if (host_checking || debug_selector & (x))
 
 /* The default From: text for DSNs */
 
@@ -154,7 +151,9 @@ enough to hold all the headers from a normal kind of message. */
 
 /* The initial size of a big buffer for use in various places. It gets put
 into big_buffer_size and in some circumstances increased. It should be at least
-as long as the maximum path length. */
+as long as the maximum path length PLUS room for string additions.
+Let's go with "at least twice as large as maximum path length".
+*/
 
 #ifdef AUTH_HEIMDAL_GSSAPI
 		/* RFC 4121 section 5.2, SHOULD support 64K input buffers */
@@ -163,10 +162,12 @@ as long as the maximum path length. */
 # define __BIG_BUFFER_SIZE 16384
 #endif
 
-#if defined PATH_MAX && PATH_MAX > __BIG_BUFFER_SIZE
-# define BIG_BUFFER_SIZE PATH_MAX
-#elif defined MAXPATHLEN && MAXPATHLEN > __BIG_BUFFER_SIZE
-# define BIG_BUFFER_SIZE MAXPATHLEN
+#ifndef PATH_MAX
+/* exim.h will have ensured this exists before including us. */
+# error headers confusion, PATH_MAX missing in macros.h
+#endif
+#if (PATH_MAX*2) > __BIG_BUFFER_SIZE
+# define BIG_BUFFER_SIZE (PATH_MAX*2)
 #else
 # define BIG_BUFFER_SIZE __BIG_BUFFER_SIZE
 #endif
@@ -180,12 +181,6 @@ written on the spool, it gets read into big_buffer. */
 
 #define LOCAL_SCAN_MAX_RETURN (BIG_BUFFER_SIZE - 24)
 
-/* A limit to the length of an address. RFC 2821 limits the local part to 64
-and the domain to 255, so this should be adequate, taking into account quotings
-etc. */
-
-#define ADDRESS_MAXLENGTH 512
-
 /* The length of the base names of spool files, which consist of an internal
 message id with a trailing "-H" or "-D" added. */
 
@@ -204,8 +199,7 @@ record, and the max number of continuation records allowed. */
 
 /* Macros for trivial functions */
 
-#define mac_ismsgid(s) \
-  (pcre_exec(regex_ismsgid,NULL,CS s,Ustrlen(s),0,PCRE_EOPT,NULL,0) >= 0)
+#define mac_ismsgid(s)	(regex_match(regex_ismsgid, (s), -1, NULL))
 
 
 /* Options for dns_next_rr */
@@ -430,6 +424,13 @@ enum {
                                          D_timestamp   | \
                                          D_resolver))
 
+/* Bits for debug triggers */
+
+enum {
+  DTi_panictrigger,
+  DTi_pretrigger,
+};
+
 /* Options bits for logging. Those that have values < BITWORDSIZE can be used
 in calls to log_write(). The others are put into later words in log_selector
 and are only ever tested independently, so they do not need bit mask
@@ -480,6 +481,7 @@ enum logbit {
   Li_protocol_detail,
   Li_proxy,
   Li_queue_time,
+  Li_queue_time_exclusive,
   Li_queue_time_overall,
   Li_receive_time,
   Li_received_sender,
@@ -1051,9 +1053,10 @@ enum { FILTER_UNSET, FILTER_FORWARD, FILTER_EXIM, FILTER_SIEVE };
 
 
 /* Options on tls_close */
-#define TLS_NO_SHUTDOWN		0
-#define TLS_SHUTDOWN_NOWAIT	1
-#define TLS_SHUTDOWN_WAIT	2
+#define TLS_NO_SHUTDOWN		0	/* Just forget the context */
+#define TLS_SHUTDOWN_NOWAIT	1	/* Send alert; do not wait */
+#define TLS_SHUTDOWN_WAIT	2	/* Send alert & wait for peer's alert */
+#define TLS_SHUTDOWN_WONLY	3	/* only wait for peer's alert */
 
 
 #ifdef COMPILE_UTILITY
@@ -1074,8 +1077,8 @@ should not be one active. */
 
 #define AUTHS_REGEX US"\\n250[\\s\\-]AUTH\\s+([\\-\\w \\t]+)(?:\\n|$)"
 
-#define EARLY_PIPE_FEATURE_NAME "PIPE_CONNECT"
-#define EARLY_PIPE_FEATURE_LEN  12
+#define EARLY_PIPE_FEATURE_NAME "PIPECONNECT"
+#define EARLY_PIPE_FEATURE_LEN  11
 
 
 /* Flags for auth_client_item() */
@@ -1109,7 +1112,17 @@ should not be one active. */
 
 
 #define NOTIFIER_SOCKET_NAME	"exim_daemon_notify"
-#define NOTIFY_MSG_QRUN		1	/* Notify message types */
+/* Notify message types */
+#define NOTIFY_MSG_QRUN		1
 #define NOTIFY_QUEUE_SIZE_REQ	2
+#define NOTIFY_REGEX		3
+
+/* Flags for match_check_string() */
+typedef unsigned mcs_flags;
+#define MCS_NOFLAGS		0
+#define MCS_PARTIAL		BIT(0)	/* permit partial- search types */
+#define MCS_CASELESS		BIT(1)	/* caseless matching where possible */
+#define MCS_AT_SPECIAL		BIT(2)	/* recognize @, @[], etc. */
+#define MCS_CACHEABLE		BIT(3)	/* no dynamic expansions used for pattern */
 
 /* End of macros.h */