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 #ifdef EXPERIMENTAL_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
;
87 uschar
*tls_verify_certificates
;
89 BOOL tls_tempfail_tryclear
;
90 uschar
*tls_verify_hosts
;
91 uschar
*tls_try_verify_hosts
;
92 uschar
*tls_verify_cert_hostnames
;
95 uschar
*utf8_downconvert
;
100 #ifdef EXPERIMENTAL_ARC
103 } smtp_transport_options_block
;
105 #define SOB (smtp_transport_options_block *)
108 /* smtp connect context */
111 address_item
* addrlist
;
113 smtp_connect_args conn_args
;
121 #ifdef EXPERIMENTAL_PIPE_CONNECT
122 BOOL early_pipe_ok
:1;
123 BOOL early_pipe_active
:1;
127 BOOL pipelining_used
:1;
134 BOOL dsn_all_lasthop
:1;
135 #if defined(SUPPORT_TLS) && defined(SUPPORT_DANE)
137 BOOL dane_required
:1;
139 #ifdef EXPERIMENTAL_PIPE_CONNECT
140 BOOL pending_BANNER
:1;
146 BOOL completed_addr
:1;
153 unsigned peer_offered
;
154 unsigned avoid_option
;
157 #ifdef EXPERIMENTAL_DSN_INFO
158 uschar
* smtp_greeting
;
159 uschar
* helo_response
;
161 #ifdef EXPERIMENTAL_PIPE_CONNECT
162 ehlo_resp_precis ehlo_resp
;
165 address_item
* first_addr
;
166 address_item
* next_addr
;
167 address_item
* sync_addr
;
169 client_conn_ctx cctx
;
170 smtp_inblock inblock
;
171 smtp_outblock outblock
;
172 uschar buffer
[DELIVER_BUFFER_SIZE
];
173 uschar inbuffer
[4096];
174 uschar outbuffer
[4096];
177 extern int smtp_setup_conn(smtp_context
*, BOOL
);
178 extern int smtp_write_mail_and_rcpt_cmds(smtp_context
*, int *);
179 extern int smtp_reap_early_pipe(smtp_context
*, int *);
182 /* Data for reading the private options. */
184 extern optionlist smtp_transport_options
[];
185 extern int smtp_transport_options_count
;
187 /* Block containing default values. */
189 extern smtp_transport_options_block smtp_transport_option_defaults
;
191 /* The main, init, and closedown entry points for the transport */
193 extern BOOL
smtp_transport_entry(transport_instance
*, address_item
*);
194 extern void smtp_transport_init(transport_instance
*);
195 extern void smtp_transport_closedown(transport_instance
*);
199 extern BOOL
smtp_mail_auth_str(uschar
*, unsigned,
200 address_item
*, smtp_transport_options_block
*);
203 extern int socks_sock_connect(host_item
*, int, int, uschar
*,
204 transport_instance
*, int);
207 /* End of transports/smtp.h */