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 } smtp_transport_options_block;
95 /* smtp connect context */
98 address_item * addrlist;
117 BOOL dsn_all_lasthop:1;
118 #if defined(SUPPORT_TLS) && defined(SUPPORT_DANE)
120 BOOL dane_required:1;
125 BOOL completed_addr:1;
136 #ifdef EXPERIMENTAL_DSN_INFO
137 uschar * smtp_greeting;
138 uschar * helo_response;
141 address_item * first_addr;
142 address_item * next_addr;
143 address_item * sync_addr;
145 smtp_inblock inblock;
146 smtp_outblock outblock;
147 uschar buffer[DELIVER_BUFFER_SIZE];
148 uschar inbuffer[4096];
149 uschar outbuffer[4096];
151 transport_instance * tblock;
152 smtp_transport_options_block * ob;
155 extern int smtp_setup_conn(smtp_context *, BOOL);
156 extern int smtp_write_mail_and_rcpt_cmds(smtp_context *, int *);
159 /* Data for reading the private options. */
161 extern optionlist smtp_transport_options[];
162 extern int smtp_transport_options_count;
164 /* Block containing default values. */
166 extern smtp_transport_options_block smtp_transport_option_defaults;
168 /* The main, init, and closedown entry points for the transport */
170 extern BOOL smtp_transport_entry(transport_instance *, address_item *);
171 extern void smtp_transport_init(transport_instance *);
172 extern void smtp_transport_closedown(transport_instance *);
176 extern int smtp_auth(uschar *, unsigned, address_item *, host_item *,
177 smtp_transport_options_block *, BOOL,
178 smtp_inblock *, smtp_outblock *);
179 extern BOOL smtp_mail_auth_str(uschar *, unsigned,
180 address_item *, smtp_transport_options_block *);
183 extern int socks_sock_connect(host_item *, int, int, uschar *,
184 transport_instance *, int);
187 /* End of transports/smtp.h */