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
;
36 uschar
*hosts_try_fastopen
;
38 uschar
*hosts_try_prdr
;
41 uschar
*hosts_request_ocsp
;
42 uschar
*hosts_require_ocsp
;
44 uschar
*hosts_require_tls
;
45 uschar
*hosts_avoid_tls
;
46 uschar
*hosts_verify_avoid_tls
;
47 uschar
*hosts_avoid_pipelining
;
48 uschar
*hosts_avoid_esmtp
;
50 uschar
*hosts_nopass_tls
;
51 uschar
*hosts_noproxy_tls
;
59 int hosts_max_try_hardlimit
;
60 BOOL address_retry_include_sender
;
62 BOOL authenticated_sender_force
;
64 BOOL dns_qualify_single
;
65 BOOL dns_search_parents
;
66 dnssec_domains dnssec
;
67 BOOL delay_after_cutoff
;
71 BOOL lmtp_ignore_quota
;
72 uschar
*expand_retry_include_ip_address
;
73 BOOL retry_include_ip_address
;
78 uschar
*tls_certificate
;
80 uschar
*tls_privatekey
;
81 uschar
*tls_require_ciphers
;
83 uschar
*tls_verify_certificates
;
85 BOOL tls_tempfail_tryclear
;
86 uschar
*tls_verify_hosts
;
87 uschar
*tls_try_verify_hosts
;
88 uschar
*tls_verify_cert_hostnames
;
93 #ifdef EXPERIMENTAL_ARC
96 } smtp_transport_options_block
;
98 /* smtp connect context */
101 address_item
* addrlist
;
120 BOOL dsn_all_lasthop
:1;
121 #if defined(SUPPORT_TLS) && defined(SUPPORT_DANE)
123 BOOL dane_required
:1;
128 BOOL completed_addr
:1;
139 #ifdef EXPERIMENTAL_DSN_INFO
140 uschar
* smtp_greeting
;
141 uschar
* helo_response
;
144 address_item
* first_addr
;
145 address_item
* next_addr
;
146 address_item
* sync_addr
;
148 smtp_inblock inblock
;
149 smtp_outblock outblock
;
150 uschar buffer
[DELIVER_BUFFER_SIZE
];
151 uschar inbuffer
[4096];
152 uschar outbuffer
[4096];
154 transport_instance
* tblock
;
155 smtp_transport_options_block
* ob
;
158 extern int smtp_setup_conn(smtp_context
*, BOOL
);
159 extern int smtp_write_mail_and_rcpt_cmds(smtp_context
*, int *);
162 /* Data for reading the private options. */
164 extern optionlist smtp_transport_options
[];
165 extern int smtp_transport_options_count
;
167 /* Block containing default values. */
169 extern smtp_transport_options_block smtp_transport_option_defaults
;
171 /* The main, init, and closedown entry points for the transport */
173 extern BOOL
smtp_transport_entry(transport_instance
*, address_item
*);
174 extern void smtp_transport_init(transport_instance
*);
175 extern void smtp_transport_closedown(transport_instance
*);
179 extern int smtp_auth(uschar
*, unsigned, address_item
*, host_item
*,
180 smtp_transport_options_block
*, BOOL
,
181 smtp_inblock
*, smtp_outblock
*);
182 extern BOOL
smtp_mail_auth_str(uschar
*, unsigned,
183 address_item
*, smtp_transport_options_block
*);
186 extern int socks_sock_connect(host_item
*, int, int, uschar
*,
187 transport_instance
*, int);
190 /* End of transports/smtp.h */