* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2014 */
+/* Copyright (c) University of Cambridge 1995 - 2015 */
/* See the file NOTICE for conditions of use and distribution. */
/* 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;
+ uschar * replacement;
+ uschar name[1];
} macro_item;
/* Structure for bit tables for debugging and logging */
typedef struct bit_table {
uschar *name;
- unsigned int bit;
+ int bit;
} bit_table;
/* Block for holding a uid and gid, possibly unset, and an initgroups flag. */
BOOL initgroups;
} ugid_block;
+typedef enum { CHUNKING_NOT_OFFERED = -1,
+ CHUNKING_OFFERED,
+ CHUNKING_ACTIVE,
+ CHUNKING_LAST} chunking_state_t;
+
/* Structure for holding information about a host for use mainly by routers,
but also used when checking lists of hosts and when transporting. Looking up
host addresses is done using this structure. */
typedef struct host_item {
struct host_item *next;
- uschar *name; /* Host name */
- uschar *address; /* IP address in text form */
+ const uschar *name; /* Host name */
+ const uschar *address; /* IP address in text form */
int port; /* port value in host order (if SRV lookup) */
int mx; /* MX value if found via MX records */
int sort_key; /* MX*1000 plus random "fraction" */
uschar *home_dir; /* ) Used only for local transports */
uschar *current_dir; /* ) */
/**************************************/
+ uschar *expand_multi_domain; /* ) */
BOOL multi_domain; /* ) */
BOOL overrides_hosts; /* ) Used only for remote transports */
int max_addresses; /* ) */
uschar *remove_headers; /* Remove these headers */
uschar *return_path; /* Overriding (rewriting) return path */
uschar *debug_string; /* Debugging output */
+ uschar *max_parallel; /* Number of concurrent instances */
uschar *message_size_limit; /* Biggest message this transport handles */
uschar *headers_rewrite; /* Rules for rewriting headers */
rewrite_rule *rewrite_rules; /* Parsed rewriting rules */
BOOL log_fail_output;
BOOL log_defer_output;
BOOL retry_use_local_part; /* Defaults true for local, false for remote */
-#ifdef EXPERIMENTAL_TPDA
- uschar *tpda_event_action; /* String to expand on notable events */
+#ifndef DISABLE_EVENT
+ uschar *event_action; /* String to expand on notable events */
#endif
} transport_instance;
} transport_info;
+/* smtp transport datachunk callback */
+
+#define tc_reap_prev BIT(0) /* Flags: reap previous SMTP cmd responses */
+#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);
+
+/* Structure for information about a delivery-in-progress */
+
+typedef struct transport_context {
+ transport_instance * tblock; /* transport */
+ struct address_item * addr;
+ uschar * check_string; /* string replacement */
+ uschar * escape_string;
+ int options; /* output processing topt_* */
+
+ /* 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;
+} transport_ctx;
+
+
+
+typedef struct {
+ uschar *request;
+ uschar *require;
+} dnssec_domains;
/* Structure for holding information about the configured routers. */
BOOL verify_sender; /* Use this router when verifying a sender */
BOOL uid_set; /* Flag to indicate uid is set */
BOOL unseen; /* If TRUE carry on, even after success */
-#ifdef EXPERIMENTAL_DSN
BOOL dsn_lasthop; /* If TRUE, this router is a DSN endpoint */
-#endif
int self_code; /* Encoded version of "self" */
uid_t uid; /* Fixed uid value */
transport_instance *transport; /* Transport block (when found) */
struct router_instance *pass_router; /* Actual router for passed address */
struct router_instance *redirect_router; /* Actual router for generated address */
+
+ dnssec_domains dnssec;
} router_instance;
#ifdef EXPERIMENTAL_SRS
uschar *srs_sender; /* Change return path when delivering */
#endif
+ #ifdef SUPPORT_I18N
+ BOOL utf8_msg:1; /* requires SMTPUTF8 processing */
+ BOOL utf8_downcvt:1; /* mandatory downconvert on delivery */
+ BOOL utf8_downcvt_maybe:1; /* optional downconvert on delivery */
+ #endif
} address_item_propagated;
/* Bits for the flags field below */
#ifndef DISABLE_PRDR
# define af_prdr_used 0x08000000 /* delivery used SMTP PRDR */
#endif
-#define af_force_command 0x10000000 /* force_command in pipe transport */
+#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 0x20000000 /* TLS cert verify done with 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 */
uschar *local_part; /* points to cc or lc version */
uschar *prefix; /* stripped prefix of local part */
uschar *suffix; /* stripped suffix of local part */
- uschar *domain; /* working domain (lower cased) */
+ const uschar *domain; /* working domain (lower cased) */
uschar *address_retry_key; /* retry key including full address */
uschar *domain_retry_key; /* retry key for domain only */
uschar *self_hostname; /* after self=pass */
uschar *shadow_message; /* info about shadow transporting */
- #ifdef SUPPORT_TLS
+#ifdef SUPPORT_TLS
uschar *cipher; /* Cipher used for transport */
void *ourcert; /* Certificate offered to peer, binary */
void *peercert; /* Certificate from peer, binary */
uschar *peerdn; /* DN of server's certificate */
int ocsp; /* OCSP status of peer cert */
- #endif
+#endif
+
+#ifdef EXPERIMENTAL_DSN_INFO
+ const uschar *smtp_greeting; /* peer self-identification */
+ const uschar *helo_response; /* peer message */
+#endif
uschar *authenticator; /* auth driver name used by transport */
uschar *auth_id; /* auth "login" name used by transport */
uschar *auth_sndr; /* AUTH arg to SMTP MAIL, used by transport */
- #ifdef EXPERIMENTAL_DSN
uschar *dsn_orcpt; /* DSN orcpt value */
int dsn_flags; /* DSN flags */
int dsn_aware; /* DSN aware flag */
- #endif
uid_t uid; /* uid for transporting */
gid_t gid; /* gid for transporting */
/* ( also */
/* ( contains verify rc in sender verify cache */
short int transport_return; /* result of delivery attempt */
- address_item_propagated p; /* fields that are propagated to children */
+ address_item_propagated prop; /* fields that are propagated to children */
} address_item;
/* The table of header names consists of items of this type */
typedef struct error_block {
struct error_block *next;
- uschar *text1;
+ const uschar *text1;
uschar *text2;
} error_block;
uschar name[1]; /* node name - variable length */
} tree_node;
+/* Structure for holding time-limited data such as DNS returns.
+We use this rather than extending tree_node to avoid wasting
+space for most tree use (variables...) at the cost of complexity
+for the lookups cache */
+
+typedef struct expiring_data {
+ time_t expiry; /* if nonzero, data invalid after this time */
+ void *ptr; /* pointer to data */
+} expiring_data;
+
/* Structure for holding the handle and the cached last lookup for searches.
This block is pointed to by the tree entry for the file. The file can get
closed if too many are opened at once. There is a LRU chain for deciding which
uncompressed, but the data pointer is into the raw data. */
typedef struct {
- uschar name[DNS_MAXNAME]; /* domain name */
- int type; /* record type */
- 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
/* Structure for passing arguments to check_host() */
typedef struct check_host_block {
- uschar *host_name;
- uschar *host_address;
- uschar *host_ipv4;
+ const uschar *host_name;
+ const uschar *host_address;
+ const uschar *host_ipv4;
BOOL negative;
} check_host_block;
/* Structure for holding data for an entry in a named list */
typedef struct namedlist_block {
- uschar *string; /* the list string */
+ const uschar *string; /* the list string */
namedlist_cacheblock *cache_data; /* cached domain_data or localpart_data */
int number; /* the number of the list for caching */
} namedlist_block;
int verb;
} acl_block;
+/* smtp transport calc outbound_ip */
+typedef BOOL (*oicf) (uschar *message_id, void *data);
+
+/* DKIM information for transport */
+struct ob_dkim {
+ uschar *dkim_domain;
+ uschar *dkim_private_key;
+ uschar *dkim_selector;
+ uschar *dkim_canon;
+ uschar *dkim_sign_headers;
+ uschar *dkim_strict;
+ BOOL dot_stuffed;
+};
+
/* End of structs.h */