-/* $Cambridge: exim/src/src/transports/smtp.h,v 1.7 2006/02/07 11:19:03 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2006 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
+#define DELIVER_BUFFER_SIZE 4096
+
+#define PENDING 256
+#define PENDING_DEFER (PENDING + DEFER)
+#define PENDING_OK (PENDING + OK)
+
+
/* Private structure for the private options and other private data. */
typedef struct {
uschar *interface;
uschar *port;
uschar *protocol;
+ uschar *dscp;
uschar *serialize_hosts;
uschar *hosts_try_auth;
uschar *hosts_require_auth;
+ uschar *hosts_try_chunking;
+#ifdef SUPPORT_DANE
+ uschar *hosts_try_dane;
+ uschar *hosts_require_dane;
+ uschar *dane_require_tls_ciphers;
+#endif
+ uschar *hosts_try_fastopen;
+#ifndef DISABLE_PRDR
+ uschar *hosts_try_prdr;
+#endif
+#ifndef DISABLE_OCSP
+ uschar *hosts_request_ocsp;
+ uschar *hosts_require_ocsp;
+#endif
uschar *hosts_require_tls;
uschar *hosts_avoid_tls;
+ uschar *hosts_verify_avoid_tls;
+ uschar *hosts_avoid_pipelining;
+#ifndef DISABLE_PIPE_CONNECT
+ uschar *hosts_pipe_connect;
+#endif
uschar *hosts_avoid_esmtp;
+#ifndef DISABLE_TLS
uschar *hosts_nopass_tls;
+ uschar *hosts_noproxy_tls;
+#endif
int command_timeout;
int connect_timeout;
int data_timeout;
int size_addition;
int hosts_max_try;
int hosts_max_try_hardlimit;
+ BOOL address_retry_include_sender;
BOOL allow_localhost;
+ BOOL authenticated_sender_force;
BOOL gethostbyname;
BOOL dns_qualify_single;
BOOL dns_search_parents;
+ dnssec_domains dnssec;
BOOL delay_after_cutoff;
BOOL hosts_override;
BOOL hosts_randomize;
BOOL keepalive;
BOOL lmtp_ignore_quota;
+ uschar *expand_retry_include_ip_address;
BOOL retry_include_ip_address;
- #ifdef SUPPORT_TLS
+#ifdef SUPPORT_SOCKS
+ uschar *socks_proxy;
+#endif
+#ifndef DISABLE_TLS
uschar *tls_certificate;
uschar *tls_crl;
uschar *tls_privatekey;
uschar *tls_require_ciphers;
+# ifdef EXPERIMENTAL_TLS_RESUME
+ uschar *tls_resumption_hosts;
+# endif
+ uschar *tls_sni;
uschar *tls_verify_certificates;
+ int tls_dh_min_bits;
BOOL tls_tempfail_tryclear;
- #endif
- #ifdef EXPERIMENTAL_DOMAINKEYS
- uschar *dk_domain;
- uschar *dk_private_key;
- uschar *dk_selector;
- uschar *dk_canon;
- uschar *dk_headers;
- uschar *dk_strict;
- #endif
+ uschar *tls_verify_hosts;
+ uschar *tls_try_verify_hosts;
+ uschar *tls_verify_cert_hostnames;
+#endif
+#ifdef SUPPORT_I18N
+ uschar *utf8_downconvert;
+#endif
+#ifndef DISABLE_DKIM
+ struct ob_dkim dkim;
+#endif
+#ifdef EXPERIMENTAL_ARC
+ uschar *arc_sign;
+#endif
} smtp_transport_options_block;
+#define SOB (smtp_transport_options_block *)
+
+
+/* smtp connect context */
+typedef struct {
+ uschar * from_addr;
+ address_item * addrlist;
+
+ smtp_connect_args conn_args;
+ int port;
+
+ BOOL verify:1;
+ BOOL lmtp:1;
+ BOOL smtps:1;
+ BOOL ok:1;
+ BOOL setting_up:1;
+#ifndef DISABLE_PIPE_CONNECT
+ BOOL early_pipe_ok:1;
+ BOOL early_pipe_active:1;
+#endif
+ BOOL esmtp:1;
+ BOOL esmtp_sent:1;
+ BOOL pipelining_used:1;
+#ifndef DISABLE_PRDR
+ BOOL prdr_active:1;
+#endif
+#ifdef SUPPORT_I18N
+ BOOL utf8_needed:1;
+#endif
+ BOOL dsn_all_lasthop:1;
+#if !defined(DISABLE_TLS) && defined(SUPPORT_DANE)
+ BOOL dane_required:1;
+#endif
+#ifndef DISABLE_PIPE_CONNECT
+ BOOL pending_BANNER:1;
+ BOOL pending_EHLO:1;
+#endif
+ BOOL pending_MAIL:1;
+ BOOL pending_BDAT:1;
+ BOOL RCPT_452:1;
+ BOOL good_RCPT:1;
+ BOOL completed_addr:1;
+ BOOL send_rset:1;
+ BOOL send_quit:1;
+
+ int max_rcpt;
+ int cmd_count;
+
+ unsigned peer_offered;
+ unsigned avoid_option;
+ uschar * igquotstr;
+ uschar * helo_data;
+#ifdef EXPERIMENTAL_DSN_INFO
+ uschar * smtp_greeting;
+ uschar * helo_response;
+#endif
+#ifndef DISABLE_PIPE_CONNECT
+ ehlo_resp_precis ehlo_resp;
+#endif
+
+ struct timeval delivery_start;
+ address_item * first_addr;
+ address_item * next_addr;
+ address_item * sync_addr;
+
+ client_conn_ctx cctx;
+ smtp_inblock inblock;
+ smtp_outblock outblock;
+ uschar buffer[DELIVER_BUFFER_SIZE];
+ uschar inbuffer[4096];
+ uschar outbuffer[4096];
+} smtp_context;
+
+extern int smtp_setup_conn(smtp_context *, BOOL);
+extern int smtp_write_mail_and_rcpt_cmds(smtp_context *, int *);
+extern int smtp_reap_early_pipe(smtp_context *, int *);
+
+
/* Data for reading the private options. */
extern optionlist smtp_transport_options[];
extern void smtp_transport_init(transport_instance *);
extern void smtp_transport_closedown(transport_instance *);
+
+
+#ifdef SUPPORT_SOCKS
+extern int socks_sock_connect(host_item *, int, int, uschar *,
+ transport_instance *, int);
+#endif
+
/* End of transports/smtp.h */