Commit | Line | Data |
---|---|---|
0756eb3c PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
f9ba5e22 | 5 | /* Copyright (c) University of Cambridge 1995 - 2018 */ |
0756eb3c PH |
6 | /* See the file NOTICE for conditions of use and distribution. */ |
7 | ||
02b41d71 JH |
8 | #define DELIVER_BUFFER_SIZE 4096 |
9 | ||
10 | #define PENDING 256 | |
11 | #define PENDING_DEFER (PENDING + DEFER) | |
12 | #define PENDING_OK (PENDING + OK) | |
13 | ||
14 | ||
0756eb3c PH |
15 | /* Private structure for the private options and other private data. */ |
16 | ||
17 | typedef struct { | |
18 | uschar *hosts; | |
19 | uschar *fallback_hosts; | |
20 | host_item *hostlist; | |
21 | host_item *fallback_hostlist; | |
22 | uschar *authenticated_sender; | |
23 | uschar *helo_data; | |
24 | uschar *interface; | |
25 | uschar *port; | |
26 | uschar *protocol; | |
9e4f5962 | 27 | uschar *dscp; |
0756eb3c PH |
28 | uschar *serialize_hosts; |
29 | uschar *hosts_try_auth; | |
30 | uschar *hosts_require_auth; | |
f98442df | 31 | uschar *hosts_try_chunking; |
c0635b6d | 32 | #ifdef SUPPORT_DANE |
96e47838 | 33 | uschar *hosts_try_dane; |
7a31d643 | 34 | uschar *hosts_require_dane; |
5ec37a55 | 35 | uschar *dane_require_tls_ciphers; |
96e47838 | 36 | #endif |
fb05276a | 37 | uschar *hosts_try_fastopen; |
8ccd00b1 | 38 | #ifndef DISABLE_PRDR |
fd98a5c6 | 39 | uschar *hosts_try_prdr; |
f5d78688 | 40 | #endif |
f2de3a33 | 41 | #ifndef DISABLE_OCSP |
44662487 | 42 | uschar *hosts_request_ocsp; |
f5d78688 | 43 | uschar *hosts_require_ocsp; |
fd98a5c6 | 44 | #endif |
0756eb3c PH |
45 | uschar *hosts_require_tls; |
46 | uschar *hosts_avoid_tls; | |
99400968 | 47 | uschar *hosts_verify_avoid_tls; |
c51b8e75 | 48 | uschar *hosts_avoid_pipelining; |
0756eb3c | 49 | uschar *hosts_avoid_esmtp; |
875512a3 | 50 | #ifdef SUPPORT_TLS |
0756eb3c | 51 | uschar *hosts_nopass_tls; |
875512a3 JH |
52 | uschar *hosts_noproxy_tls; |
53 | #endif | |
0756eb3c PH |
54 | int command_timeout; |
55 | int connect_timeout; | |
56 | int data_timeout; | |
57 | int final_timeout; | |
58 | int size_addition; | |
59 | int hosts_max_try; | |
8e669ac1 | 60 | int hosts_max_try_hardlimit; |
48c7f9e2 | 61 | BOOL address_retry_include_sender; |
0756eb3c | 62 | BOOL allow_localhost; |
382afc6b | 63 | BOOL authenticated_sender_force; |
0756eb3c PH |
64 | BOOL gethostbyname; |
65 | BOOL dns_qualify_single; | |
66 | BOOL dns_search_parents; | |
7cd171b7 | 67 | dnssec_domains dnssec; |
0756eb3c PH |
68 | BOOL delay_after_cutoff; |
69 | BOOL hosts_override; | |
70 | BOOL hosts_randomize; | |
71 | BOOL keepalive; | |
f1513293 | 72 | BOOL lmtp_ignore_quota; |
9c695f6d | 73 | uschar *expand_retry_include_ip_address; |
0756eb3c | 74 | BOOL retry_include_ip_address; |
f0989ec0 | 75 | #ifdef SUPPORT_SOCKS |
7eb6c37c JH |
76 | uschar *socks_proxy; |
77 | #endif | |
e51c7be2 | 78 | #ifdef SUPPORT_TLS |
0756eb3c PH |
79 | uschar *tls_certificate; |
80 | uschar *tls_crl; | |
81 | uschar *tls_privatekey; | |
82 | uschar *tls_require_ciphers; | |
54c90be1 | 83 | uschar *tls_sni; |
0756eb3c | 84 | uschar *tls_verify_certificates; |
54c90be1 | 85 | int tls_dh_min_bits; |
0756eb3c | 86 | BOOL tls_tempfail_tryclear; |
a63be306 WB |
87 | uschar *tls_verify_hosts; |
88 | uschar *tls_try_verify_hosts; | |
e51c7be2 | 89 | uschar *tls_verify_cert_hostnames; |
e51c7be2 JH |
90 | #endif |
91 | #ifndef DISABLE_DKIM | |
ff5aac2b | 92 | struct ob_dkim dkim; |
e51c7be2 | 93 | #endif |
617d3932 JH |
94 | #ifdef EXPERIMENTAL_ARC |
95 | uschar *arc_sign; | |
96 | #endif | |
0756eb3c PH |
97 | } smtp_transport_options_block; |
98 | ||
02b41d71 JH |
99 | /* smtp connect context */ |
100 | typedef struct { | |
d9c3c8ed | 101 | uschar * from_addr; |
02b41d71 JH |
102 | address_item * addrlist; |
103 | host_item * host; | |
104 | int host_af; | |
105 | int port; | |
106 | uschar * interface; | |
107 | ||
e9166683 | 108 | BOOL verify:1; |
02b41d71 JH |
109 | BOOL lmtp:1; |
110 | BOOL smtps:1; | |
111 | BOOL ok:1; | |
02b41d71 JH |
112 | BOOL setting_up:1; |
113 | BOOL esmtp:1; | |
114 | BOOL esmtp_sent:1; | |
02b41d71 JH |
115 | #ifndef DISABLE_PRDR |
116 | BOOL prdr_active:1; | |
117 | #endif | |
118 | #ifdef SUPPORT_I18N | |
119 | BOOL utf8_needed:1; | |
120 | #endif | |
121 | BOOL dsn_all_lasthop:1; | |
c0635b6d | 122 | #if defined(SUPPORT_TLS) && defined(SUPPORT_DANE) |
02b41d71 JH |
123 | BOOL dane:1; |
124 | BOOL dane_required:1; | |
125 | #endif | |
e9166683 JH |
126 | BOOL pending_MAIL:1; |
127 | BOOL pending_BDAT:1; | |
128 | BOOL good_RCPT:1; | |
129 | BOOL completed_addr:1; | |
130 | BOOL send_rset:1; | |
131 | BOOL send_quit:1; | |
02b41d71 JH |
132 | |
133 | int max_rcpt; | |
e9166683 | 134 | int cmd_count; |
02b41d71 JH |
135 | |
136 | uschar peer_offered; | |
14de8063 | 137 | uschar avoid_option; |
02b41d71 JH |
138 | uschar * igquotstr; |
139 | uschar * helo_data; | |
140 | #ifdef EXPERIMENTAL_DSN_INFO | |
141 | uschar * smtp_greeting; | |
142 | uschar * helo_response; | |
143 | #endif | |
144 | ||
d9c3c8ed JH |
145 | address_item * first_addr; |
146 | address_item * next_addr; | |
147 | address_item * sync_addr; | |
148 | ||
74f1a423 JH |
149 | client_conn_ctx cctx; |
150 | smtp_inblock inblock; | |
151 | smtp_outblock outblock; | |
02b41d71 JH |
152 | uschar buffer[DELIVER_BUFFER_SIZE]; |
153 | uschar inbuffer[4096]; | |
154 | uschar outbuffer[4096]; | |
155 | ||
156 | transport_instance * tblock; | |
157 | smtp_transport_options_block * ob; | |
158 | } smtp_context; | |
159 | ||
e9166683 JH |
160 | extern int smtp_setup_conn(smtp_context *, BOOL); |
161 | extern int smtp_write_mail_and_rcpt_cmds(smtp_context *, int *); | |
02b41d71 JH |
162 | |
163 | ||
0756eb3c PH |
164 | /* Data for reading the private options. */ |
165 | ||
166 | extern optionlist smtp_transport_options[]; | |
167 | extern int smtp_transport_options_count; | |
168 | ||
169 | /* Block containing default values. */ | |
170 | ||
171 | extern smtp_transport_options_block smtp_transport_option_defaults; | |
172 | ||
173 | /* The main, init, and closedown entry points for the transport */ | |
174 | ||
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 *); | |
178 | ||
b4a2b536 JH |
179 | |
180 | ||
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 *); | |
186 | ||
f0989ec0 | 187 | #ifdef SUPPORT_SOCKS |
160ef8ca | 188 | extern int socks_sock_connect(host_item *, int, int, uschar *, |
7eb6c37c JH |
189 | transport_instance *, int); |
190 | #endif | |
191 | ||
0756eb3c | 192 | /* End of transports/smtp.h */ |