1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* See the file NOTICE for conditions of use and distribution. */
8 #define DELIVER_BUFFER_SIZE 4096
11 #define PENDING_DEFER (PENDING + DEFER)
12 #define PENDING_OK (PENDING + OK)
15 /* Private structure for the private options and other private data. */
19 uschar
*fallback_hosts
;
21 host_item
*fallback_hostlist
;
22 uschar
*authenticated_sender
;
28 uschar
*serialize_hosts
;
29 uschar
*hosts_try_auth
;
30 uschar
*hosts_require_auth
;
31 uschar
*hosts_try_chunking
;
33 uschar
*hosts_try_dane
;
34 uschar
*hosts_require_dane
;
35 uschar
*dane_require_tls_ciphers
;
37 uschar
*hosts_try_fastopen
;
39 uschar
*hosts_try_prdr
;
42 uschar
*hosts_request_ocsp
;
43 uschar
*hosts_require_ocsp
;
45 uschar
*hosts_require_tls
;
46 uschar
*hosts_avoid_tls
;
47 uschar
*hosts_verify_avoid_tls
;
48 uschar
*hosts_avoid_pipelining
;
49 #ifndef DISABLE_PIPE_CONNECT
50 uschar
*hosts_pipe_connect
;
52 uschar
*hosts_avoid_esmtp
;
54 uschar
*hosts_nopass_tls
;
55 uschar
*hosts_noproxy_tls
;
63 int hosts_max_try_hardlimit
;
64 BOOL address_retry_include_sender
;
66 BOOL authenticated_sender_force
;
68 BOOL dns_qualify_single
;
69 BOOL dns_search_parents
;
70 dnssec_domains dnssec
;
71 BOOL delay_after_cutoff
;
75 BOOL lmtp_ignore_quota
;
76 uschar
*expand_retry_include_ip_address
;
77 BOOL retry_include_ip_address
;
82 uschar
*tls_certificate
;
84 uschar
*tls_privatekey
;
85 uschar
*tls_require_ciphers
;
86 # ifdef EXPERIMENTAL_TLS_RESUME
87 uschar
*tls_resumption_hosts
;
90 uschar
*tls_verify_certificates
;
92 BOOL tls_tempfail_tryclear
;
93 uschar
*tls_verify_hosts
;
94 uschar
*tls_try_verify_hosts
;
95 uschar
*tls_verify_cert_hostnames
;
98 uschar
*utf8_downconvert
;
103 #ifdef EXPERIMENTAL_ARC
106 } smtp_transport_options_block
;
108 #define SOB (smtp_transport_options_block *)
111 /* smtp connect context */
114 address_item
* addrlist
;
116 smtp_connect_args conn_args
;
124 #ifndef DISABLE_PIPE_CONNECT
125 BOOL early_pipe_ok
:1;
126 BOOL early_pipe_active
:1;
130 BOOL pipelining_used
:1;
137 BOOL dsn_all_lasthop
:1;
138 #if !defined(DISABLE_TLS) && defined(SUPPORT_DANE)
139 BOOL dane_required
:1;
141 #ifndef DISABLE_PIPE_CONNECT
142 BOOL pending_BANNER
:1;
148 BOOL completed_addr
:1;
155 unsigned peer_offered
;
156 unsigned avoid_option
;
159 #ifdef EXPERIMENTAL_DSN_INFO
160 uschar
* smtp_greeting
;
161 uschar
* helo_response
;
163 #ifndef DISABLE_PIPE_CONNECT
164 ehlo_resp_precis ehlo_resp
;
167 address_item
* first_addr
;
168 address_item
* next_addr
;
169 address_item
* sync_addr
;
171 client_conn_ctx cctx
;
172 smtp_inblock inblock
;
173 smtp_outblock outblock
;
174 uschar buffer
[DELIVER_BUFFER_SIZE
];
175 uschar inbuffer
[4096];
176 uschar outbuffer
[4096];
179 extern int smtp_setup_conn(smtp_context
*, BOOL
);
180 extern int smtp_write_mail_and_rcpt_cmds(smtp_context
*, int *);
181 extern int smtp_reap_early_pipe(smtp_context
*, int *);
184 /* Data for reading the private options. */
186 extern optionlist smtp_transport_options
[];
187 extern int smtp_transport_options_count
;
189 /* Block containing default values. */
191 extern smtp_transport_options_block smtp_transport_option_defaults
;
193 /* The main, init, and closedown entry points for the transport */
195 extern BOOL
smtp_transport_entry(transport_instance
*, address_item
*);
196 extern void smtp_transport_init(transport_instance
*);
197 extern void smtp_transport_closedown(transport_instance
*);
202 extern int socks_sock_connect(host_item
*, int, int, uschar
*,
203 transport_instance
*, int);
206 /* End of transports/smtp.h */