* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2017 */
/* See the file NOTICE for conditions of use and distribution. */
struct transport_info;
struct router_info;
+/* Growable-string */
+typedef struct gstring {
+ int size; /* Current capacity of string memory */
+ int ptr; /* Offset at which to append further chars */
+ uschar * s; /* The string memory */
+} gstring;
+
/* Structure for remembering macros for the configuration file */
typedef struct macro_item {
- struct macro_item *next;
- BOOL command_line;
- uschar *replacement;
- uschar name[1];
+ struct macro_item * next;
+ BOOL command_line;
+ unsigned namelen;
+ unsigned replen;
+ const uschar * name;
+ const uschar * replacement;
} macro_item;
/* Structure for bit tables for debugging and logging */
/* smtp transport datachunk callback */
#define tc_reap_prev BIT(0) /* Flags: reap previous SMTP cmd responses */
-#define tc_reap_one BIT(1) /* reap one SMTP response */
-#define tc_chunk_last BIT(2) /* annotate chunk SMTP cmd as LAST */
+#define tc_chunk_last BIT(1) /* annotate chunk SMTP cmd as LAST */
struct transport_context;
-typedef int (*tpt_chunk_cmd_cb)(int fd, struct transport_context * tctx,
- unsigned len, unsigned flags);
+typedef int (*tpt_chunk_cmd_cb)(struct transport_context *, unsigned, unsigned);
/* Structure for information about a delivery-in-progress */
typedef struct transport_context {
+ union { /* discriminated by option topt_output_string */
+ int fd; /* file descriptor to write message to */
+ gstring * msg; /* allocated string with written message */
+ } u;
transport_instance * tblock; /* transport */
struct address_item * addr;
uschar * check_string; /* string replacement */
/* items below only used with option topt_use_bdat */
tpt_chunk_cmd_cb chunk_cb; /* per-datachunk callback */
- struct smtp_inblock * inblock;
- struct smtp_outblock * outblock;
- host_item * host;
- struct address_item * first_addr;
- struct address_item **sync_addr;
- BOOL pending_MAIL;
- BOOL pending_BDAT;
- BOOL good_RCPT;
- BOOL * completed_address;
- int cmd_count;
- uschar * buffer;
+ void * smtp_context;
} transport_ctx;
#ifdef EXPERIMENTAL_SRS
uschar *srs_sender; /* Change return path when delivering */
#endif
+ BOOL ignore_error:1; /* ignore delivery error */
#ifdef SUPPORT_I18N
BOOL utf8_msg:1; /* requires SMTPUTF8 processing */
BOOL utf8_downcvt:1; /* mandatory downconvert on delivery */
#endif
} address_item_propagated;
-/* Bits for the flags field below */
-
-#define af_allow_file 0x00000001 /* allow file in generated address */
-#define af_allow_pipe 0x00000002 /* allow pipe in generated address */
-#define af_allow_reply 0x00000004 /* allow autoreply in generated address */
-#define af_dr_retry_exists 0x00000008 /* router retry record exists */
-#define af_expand_pipe 0x00000010 /* expand pipe arguments */
-#define af_file 0x00000020 /* file delivery; always with pfr */
-#define af_gid_set 0x00000040 /* gid field is set */
-#define af_home_expanded 0x00000080 /* home_dir is already expanded */
-#define af_ignore_error 0x00000100 /* ignore delivery error */
-#define af_initgroups 0x00000200 /* use initgroups() for local transporting */
-#define af_local_host_removed 0x00000400 /* local host was backup */
-#define af_lt_retry_exists 0x00000800 /* local transport retry exists */
-#define af_pfr 0x00001000 /* pipe or file or reply delivery */
-#define af_retry_skipped 0x00002000 /* true if retry caused some skipping */
-#define af_retry_timedout 0x00004000 /* true if retry timed out */
-#define af_uid_set 0x00008000 /* uid field is set */
-#define af_hide_child 0x00010000 /* hide child in bounce/defer msgs */
-#define af_sverify_told 0x00020000 /* sender verify failure notified */
-#define af_verify_pmfail 0x00040000 /* verify failure was postmaster callout */
-#define af_verify_nsfail 0x00080000 /* verify failure was null sender callout */
-#define af_homonym 0x00100000 /* an ancestor has same address */
-#define af_verify_routed 0x00200000 /* for cached sender verify: routed OK */
-#define af_verify_callout 0x00400000 /* for cached sender verify: callout was specified */
-#define af_include_affixes 0x00800000 /* delivered with affixes in RCPT */
-#define af_cert_verified 0x01000000 /* delivered with verified TLS cert */
-#define af_pass_message 0x02000000 /* pass message in bounces */
-#define af_bad_reply 0x04000000 /* filter could not generate autoreply */
-#ifndef DISABLE_PRDR
-# define af_prdr_used 0x08000000 /* delivery used SMTP PRDR */
-#endif
-#define af_chunking_used 0x10000000 /* delivery used SMTP CHUNKING */
-#define af_force_command 0x20000000 /* force_command in pipe transport */
-#ifdef EXPERIMENTAL_DANE
-# define af_dane_verified 0x40000000 /* TLS cert verify done with DANE */
-#endif
-#ifdef SUPPORT_I18N
-# define af_utf8_downcvt 0x80000000 /* downconvert was done for delivery */
-#endif
-
-/* These flags must be propagated when a child is created */
-
-#define af_propagate (af_ignore_error)
/* The main address structure. Note that fields that are to be copied to
generated addresses should be put in the address_item_propagated structure (see
uid_t uid; /* uid for transporting */
gid_t gid; /* gid for transporting */
- unsigned int flags; /* a row of bits, defined above */
+ /* flags */
+ struct {
+ BOOL af_allow_file:1; /* allow file in generated address */
+ BOOL af_allow_pipe:1; /* allow pipe in generated address */
+ BOOL af_allow_reply:1; /* allow autoreply in generated address */
+ BOOL af_dr_retry_exists:1; /* router retry record exists */
+ BOOL af_expand_pipe:1; /* expand pipe arguments */
+ BOOL af_file:1; /* file delivery; always with pfr */
+ BOOL af_gid_set:1; /* gid field is set */
+ BOOL af_home_expanded:1; /* home_dir is already expanded */
+ BOOL af_initgroups:1; /* use initgroups() for local transporting */
+ BOOL af_local_host_removed:1; /* local host was backup */
+ BOOL af_lt_retry_exists:1; /* local transport retry exists */
+ BOOL af_pfr:1; /* pipe or file or reply delivery */
+ BOOL af_retry_skipped:1; /* true if retry caused some skipping */
+ BOOL af_retry_timedout:1; /* true if retry timed out */
+ BOOL af_uid_set:1; /* uid field is set */
+ BOOL af_hide_child:1; /* hide child in bounce/defer msgs */
+ BOOL af_sverify_told:1; /* sender verify failure notified */
+ BOOL af_verify_pmfail:1; /* verify failure was postmaster callout */
+ BOOL af_verify_nsfail:1; /* verify failure was null sender callout */
+ BOOL af_homonym:1; /* an ancestor has same address */
+ BOOL af_verify_routed:1; /* for cached sender verify: routed OK */
+ BOOL af_verify_callout:1; /* for cached sender verify: callout was specified */
+ BOOL af_include_affixes:1; /* delivered with affixes in RCPT */
+ BOOL af_cert_verified:1; /* delivered with verified TLS cert */
+ BOOL af_pass_message:1; /* pass message in bounces */
+ BOOL af_bad_reply:1; /* filter could not generate autoreply */
+ BOOL af_tcp_fastopen_conn:1; /* delivery connection used TCP Fast Open */
+ BOOL af_tcp_fastopen:1; /* delivery usefuly used TCP Fast Open */
+#ifndef DISABLE_PRDR
+ BOOL af_prdr_used:1; /* delivery used SMTP PRDR */
+#endif
+ BOOL af_chunking_used:1; /* delivery used SMTP CHUNKING */
+ BOOL af_force_command:1; /* force_command in pipe transport */
+#ifdef EXPERIMENTAL_DANE
+ BOOL af_dane_verified:1; /* TLS cert verify done with DANE */
+#endif
+#ifdef SUPPORT_I18N
+ BOOL af_utf8_downcvt:1; /* downconvert was done for delivery */
+#endif
+ } flags;
+
unsigned int domain_cache[(MAX_NAMED_LIST * 2)/32];
unsigned int localpart_cache[(MAX_NAMED_LIST * 2)/32];
int mode; /* mode for local transporting to a file */
int more_errno; /* additional error information */
/* (may need to hold a timestamp) */
+ unsigned int delivery_usec; /* subsecond part of delivery time */
short int basic_errno; /* status after failure */
- short int child_count; /* number of child addresses */
+ unsigned short child_count; /* number of child addresses */
short int return_file; /* fileno of return data file */
short int special_action; /* ( used when when deferred or failed */
/* ( also */
uncompressed, but the data pointer is into the raw data. */
typedef struct {
- uschar name[DNS_MAXNAME]; /* domain name */
- int type; /* record type */
- unsigned short ttl; /* time-to-live, seconds */
- int size; /* size of data */
- uschar *data; /* pointer to data */
+ uschar name[DNS_MAXNAME]; /* domain name */
+ int type; /* record type */
+ unsigned short ttl; /* time-to-live, seconds */
+ int size; /* size of data */
+ const uschar *data; /* pointer to data */
} dns_record;
/* Structure for holding the result of a DNS query. */
block. */
typedef struct {
- int rrcount; /* count of RRs in the answer */
- uschar *aptr; /* pointer in the answer while scanning */
- dns_record srr; /* data from current record in scan */
+ int rrcount; /* count of RRs in the answer */
+ const uschar *aptr; /* pointer in the answer while scanning */
+ dns_record srr; /* data from current record in scan */
} dns_scan;
/* Structure for holding a chain of IP addresses that are extracted from
/* DKIM information for transport */
struct ob_dkim {
uschar *dkim_domain;
+ uschar *dkim_identity;
uschar *dkim_private_key;
uschar *dkim_selector;
uschar *dkim_canon;
uschar *dkim_sign_headers;
uschar *dkim_strict;
-} dkim;
+ uschar *dkim_hash;
+ BOOL dot_stuffed;
+};
/* End of structs.h */