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 uschar *hosts_avoid_esmtp;
51 uschar *hosts_nopass_tls;
52 uschar *hosts_noproxy_tls;
60 int hosts_max_try_hardlimit;
61 BOOL address_retry_include_sender;
63 BOOL authenticated_sender_force;
65 BOOL dns_qualify_single;
66 BOOL dns_search_parents;
67 dnssec_domains dnssec;
68 BOOL delay_after_cutoff;
72 BOOL lmtp_ignore_quota;
73 uschar *expand_retry_include_ip_address;
74 BOOL retry_include_ip_address;
79 uschar *tls_certificate;
81 uschar *tls_privatekey;
82 uschar *tls_require_ciphers;
84 uschar *tls_verify_certificates;
86 BOOL tls_tempfail_tryclear;
87 uschar *tls_verify_hosts;
88 uschar *tls_try_verify_hosts;
89 uschar *tls_verify_cert_hostnames;
94 #ifdef EXPERIMENTAL_ARC
97 } smtp_transport_options_block;
99 /* smtp connect context */
102 address_item * addrlist;
121 BOOL dsn_all_lasthop:1;
122 #if defined(SUPPORT_TLS) && defined(SUPPORT_DANE)
124 BOOL dane_required:1;
129 BOOL completed_addr:1;
136 unsigned peer_offered;
137 unsigned avoid_option;
140 #ifdef EXPERIMENTAL_DSN_INFO
141 uschar * smtp_greeting;
142 uschar * helo_response;
145 address_item * first_addr;
146 address_item * next_addr;
147 address_item * sync_addr;
149 client_conn_ctx cctx;
150 smtp_inblock inblock;
151 smtp_outblock outblock;
152 uschar buffer[DELIVER_BUFFER_SIZE];
153 uschar inbuffer[4096];
154 uschar outbuffer[4096];
156 transport_instance * tblock;
157 smtp_transport_options_block * ob;
160 extern int smtp_setup_conn(smtp_context *, BOOL);
161 extern int smtp_write_mail_and_rcpt_cmds(smtp_context *, int *);
164 /* Data for reading the private options. */
166 extern optionlist smtp_transport_options[];
167 extern int smtp_transport_options_count;
169 /* Block containing default values. */
171 extern smtp_transport_options_block smtp_transport_option_defaults;
173 /* The main, init, and closedown entry points for the transport */
175 extern BOOL smtp_transport_entry(transport_instance *, address_item *);
176 extern void smtp_transport_init(transport_instance *);
177 extern void smtp_transport_closedown(transport_instance *);
181 extern int smtp_auth(uschar *, unsigned, address_item *, host_item *,
182 smtp_transport_options_block *, BOOL,
183 smtp_inblock *, smtp_outblock *);
184 extern BOOL smtp_mail_auth_str(uschar *, unsigned,
185 address_item *, smtp_transport_options_block *);
188 extern int socks_sock_connect(host_item *, int, int, uschar *,
189 transport_instance *, int);
192 /* End of transports/smtp.h */