X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/e248dbece62f036f9845de1d15876b946eead0d0..1d28cc061677bd07d9bed48dd84bd5c590247043:/src/src/macros.h diff --git a/src/src/macros.h b/src/src/macros.h index c3f1c5d43..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 @@ -180,28 +181,16 @@ 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. */ #define SPOOL_NAME_LENGTH (MESSAGE_ID_LENGTH+2) /* The maximum number of message ids to store in a waiting database -record. */ +record, and the max number of continuation records allowed. */ #define WAIT_NAME_MAX 50 - -/* Wait this long before determining that a Proxy Protocol configured -host isn't speaking the protocol, and so is disallowed. Can be moved to -runtime configuration if per site settings become needed. */ -#ifdef SUPPORT_PROXY -#define PROXY_NEGOTIATION_TIMEOUT_SEC 3 -#endif +#define WAIT_CONT_MAX 1000 /* Fixed option values for all PCRE functions */ @@ -210,8 +199,7 @@ runtime configuration if per site settings become needed. */ /* 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 */ @@ -436,6 +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 @@ -486,6 +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, @@ -872,22 +868,23 @@ enum { /* Options for transport_write_message */ -#define topt_add_return_path 0x001 -#define topt_add_delivery_date 0x002 -#define topt_add_envelope_to 0x004 -#define topt_use_crlf 0x008 /* Terminate lines with CRLF */ -#define topt_end_dot 0x010 /* Send terminating dot line */ -#define topt_no_headers 0x020 /* Omit headers */ -#define topt_no_body 0x040 /* Omit body */ -#define topt_escape_headers 0x080 /* Apply escape check to headers */ -#define topt_use_bdat 0x100 /* prepend chunks with RFC3030 BDAT header */ -#define topt_output_string 0x200 /* create string rather than write to fd */ -#define topt_continuation 0x400 /* do not reset buffer */ -#define topt_not_socket 0x800 /* cannot do socket-only syscalls */ +#define topt_add_return_path 0x0001 +#define topt_add_delivery_date 0x0002 +#define topt_add_envelope_to 0x0004 +#define topt_escape_headers 0x0008 /* Apply escape check to headers */ +#define topt_use_crlf 0x0010 /* Terminate lines with CRLF */ +#define topt_no_headers 0x0020 /* Omit headers */ +#define topt_no_body 0x0040 /* Omit body */ +#define topt_end_dot 0x0080 /* Send terminating dot line */ +#define topt_no_flush 0x0100 /* more data expected after message (eg QUIT) */ +#define topt_use_bdat 0x0200 /* prepend chunks with RFC3030 BDAT header */ +#define topt_output_string 0x0400 /* create string rather than write to fd */ +#define topt_continuation 0x0800 /* do not reset buffer */ +#define topt_not_socket 0x1000 /* cannot do socket-only syscalls */ /* Options for smtp_write_command */ -enum { +enum { SCMD_FLUSH = 0, /* write to kernel */ SCMD_MORE, /* write to kernel, but likely more soon */ SCMD_BUFFER /* stash in application cmd output buffer */ @@ -1056,9 +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 @@ -1079,8 +1077,8 @@ should not be one active. */ #define AUTHS_REGEX US"\\n250[\\s\\-]AUTH\\s+([\\-\\w \\t]+)(?:\\n|$)" -#define EARLY_PIPE_FEATURE_NAME "X_PIPE_CONNECT" -#define EARLY_PIPE_FEATURE_LEN 14 +#define EARLY_PIPE_FEATURE_NAME "PIPECONNECT" +#define EARLY_PIPE_FEATURE_LEN 11 /* Flags for auth_client_item() */ @@ -1114,7 +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 */