Commit | Line | Data |
---|---|---|
0756eb3c PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
f9ba5e22 | 5 | /* Copyright (c) University of Cambridge 1995 - 2018 */ |
1e1ddfac | 6 | /* Copyright (c) The Exim Maintainers 2020 */ |
0756eb3c PH |
7 | /* See the file NOTICE for conditions of use and distribution. */ |
8 | ||
02b41d71 JH |
9 | #define DELIVER_BUFFER_SIZE 4096 |
10 | ||
11 | #define PENDING 256 | |
12 | #define PENDING_DEFER (PENDING + DEFER) | |
13 | #define PENDING_OK (PENDING + OK) | |
14 | ||
15 | ||
0756eb3c PH |
16 | /* Private structure for the private options and other private data. */ |
17 | ||
18 | typedef struct { | |
19 | uschar *hosts; | |
20 | uschar *fallback_hosts; | |
21 | host_item *hostlist; | |
22 | host_item *fallback_hostlist; | |
23 | uschar *authenticated_sender; | |
24 | uschar *helo_data; | |
25 | uschar *interface; | |
26 | uschar *port; | |
27 | uschar *protocol; | |
9e4f5962 | 28 | uschar *dscp; |
0756eb3c PH |
29 | uschar *serialize_hosts; |
30 | uschar *hosts_try_auth; | |
31 | uschar *hosts_require_auth; | |
f98442df | 32 | uschar *hosts_try_chunking; |
c0635b6d | 33 | #ifdef SUPPORT_DANE |
96e47838 | 34 | uschar *hosts_try_dane; |
7a31d643 | 35 | uschar *hosts_require_dane; |
5ec37a55 | 36 | uschar *dane_require_tls_ciphers; |
96e47838 | 37 | #endif |
fb05276a | 38 | uschar *hosts_try_fastopen; |
8ccd00b1 | 39 | #ifndef DISABLE_PRDR |
fd98a5c6 | 40 | uschar *hosts_try_prdr; |
f5d78688 | 41 | #endif |
f2de3a33 | 42 | #ifndef DISABLE_OCSP |
44662487 | 43 | uschar *hosts_request_ocsp; |
f5d78688 | 44 | uschar *hosts_require_ocsp; |
fd98a5c6 | 45 | #endif |
0756eb3c PH |
46 | uschar *hosts_require_tls; |
47 | uschar *hosts_avoid_tls; | |
99400968 | 48 | uschar *hosts_verify_avoid_tls; |
c51b8e75 | 49 | uschar *hosts_avoid_pipelining; |
81344b40 | 50 | #ifndef DISABLE_PIPE_CONNECT |
ee8b8090 JH |
51 | uschar *hosts_pipe_connect; |
52 | #endif | |
0756eb3c | 53 | uschar *hosts_avoid_esmtp; |
01603eec | 54 | #ifndef DISABLE_TLS |
0756eb3c | 55 | uschar *hosts_nopass_tls; |
875512a3 JH |
56 | uschar *hosts_noproxy_tls; |
57 | #endif | |
0756eb3c PH |
58 | int command_timeout; |
59 | int connect_timeout; | |
60 | int data_timeout; | |
61 | int final_timeout; | |
62 | int size_addition; | |
63 | int hosts_max_try; | |
8e669ac1 | 64 | int hosts_max_try_hardlimit; |
48c7f9e2 | 65 | BOOL address_retry_include_sender; |
0756eb3c | 66 | BOOL allow_localhost; |
382afc6b | 67 | BOOL authenticated_sender_force; |
0756eb3c PH |
68 | BOOL gethostbyname; |
69 | BOOL dns_qualify_single; | |
70 | BOOL dns_search_parents; | |
7cd171b7 | 71 | dnssec_domains dnssec; |
0756eb3c PH |
72 | BOOL delay_after_cutoff; |
73 | BOOL hosts_override; | |
74 | BOOL hosts_randomize; | |
75 | BOOL keepalive; | |
f1513293 | 76 | BOOL lmtp_ignore_quota; |
9c695f6d | 77 | uschar *expand_retry_include_ip_address; |
0756eb3c | 78 | BOOL retry_include_ip_address; |
f0989ec0 | 79 | #ifdef SUPPORT_SOCKS |
7eb6c37c JH |
80 | uschar *socks_proxy; |
81 | #endif | |
01603eec | 82 | #ifndef DISABLE_TLS |
0756eb3c PH |
83 | uschar *tls_certificate; |
84 | uschar *tls_crl; | |
85 | uschar *tls_privatekey; | |
86 | uschar *tls_require_ciphers; | |
b10c87b3 JH |
87 | # ifdef EXPERIMENTAL_TLS_RESUME |
88 | uschar *tls_resumption_hosts; | |
89 | # endif | |
54c90be1 | 90 | uschar *tls_sni; |
0756eb3c | 91 | uschar *tls_verify_certificates; |
54c90be1 | 92 | int tls_dh_min_bits; |
0756eb3c | 93 | BOOL tls_tempfail_tryclear; |
a63be306 WB |
94 | uschar *tls_verify_hosts; |
95 | uschar *tls_try_verify_hosts; | |
e51c7be2 | 96 | uschar *tls_verify_cert_hostnames; |
e51c7be2 | 97 | #endif |
71c15846 JH |
98 | #ifdef SUPPORT_I18N |
99 | uschar *utf8_downconvert; | |
100 | #endif | |
e51c7be2 | 101 | #ifndef DISABLE_DKIM |
ff5aac2b | 102 | struct ob_dkim dkim; |
e51c7be2 | 103 | #endif |
617d3932 JH |
104 | #ifdef EXPERIMENTAL_ARC |
105 | uschar *arc_sign; | |
106 | #endif | |
0756eb3c PH |
107 | } smtp_transport_options_block; |
108 | ||
ee8b8090 JH |
109 | #define SOB (smtp_transport_options_block *) |
110 | ||
111 | ||
02b41d71 JH |
112 | /* smtp connect context */ |
113 | typedef struct { | |
d9c3c8ed | 114 | uschar * from_addr; |
02b41d71 | 115 | address_item * addrlist; |
ee8b8090 JH |
116 | |
117 | smtp_connect_args conn_args; | |
02b41d71 | 118 | int port; |
02b41d71 | 119 | |
e9166683 | 120 | BOOL verify:1; |
02b41d71 JH |
121 | BOOL lmtp:1; |
122 | BOOL smtps:1; | |
123 | BOOL ok:1; | |
02b41d71 | 124 | BOOL setting_up:1; |
81344b40 | 125 | #ifndef DISABLE_PIPE_CONNECT |
ee8b8090 JH |
126 | BOOL early_pipe_ok:1; |
127 | BOOL early_pipe_active:1; | |
128 | #endif | |
02b41d71 JH |
129 | BOOL esmtp:1; |
130 | BOOL esmtp_sent:1; | |
7c576fca | 131 | BOOL pipelining_used:1; |
02b41d71 JH |
132 | #ifndef DISABLE_PRDR |
133 | BOOL prdr_active:1; | |
134 | #endif | |
135 | #ifdef SUPPORT_I18N | |
136 | BOOL utf8_needed:1; | |
137 | #endif | |
138 | BOOL dsn_all_lasthop:1; | |
01603eec | 139 | #if !defined(DISABLE_TLS) && defined(SUPPORT_DANE) |
02b41d71 | 140 | BOOL dane_required:1; |
ee8b8090 | 141 | #endif |
81344b40 | 142 | #ifndef DISABLE_PIPE_CONNECT |
ee8b8090 JH |
143 | BOOL pending_BANNER:1; |
144 | BOOL pending_EHLO:1; | |
02b41d71 | 145 | #endif |
e9166683 JH |
146 | BOOL pending_MAIL:1; |
147 | BOOL pending_BDAT:1; | |
c4639661 | 148 | BOOL RCPT_452:1; |
e9166683 JH |
149 | BOOL good_RCPT:1; |
150 | BOOL completed_addr:1; | |
151 | BOOL send_rset:1; | |
152 | BOOL send_quit:1; | |
02b41d71 JH |
153 | |
154 | int max_rcpt; | |
e9166683 | 155 | int cmd_count; |
02b41d71 | 156 | |
8ac90765 JH |
157 | unsigned peer_offered; |
158 | unsigned avoid_option; | |
02b41d71 JH |
159 | uschar * igquotstr; |
160 | uschar * helo_data; | |
161 | #ifdef EXPERIMENTAL_DSN_INFO | |
162 | uschar * smtp_greeting; | |
163 | uschar * helo_response; | |
164 | #endif | |
81344b40 | 165 | #ifndef DISABLE_PIPE_CONNECT |
ee8b8090 | 166 | ehlo_resp_precis ehlo_resp; |
d070b135 | 167 | #endif |
02b41d71 | 168 | |
a55697ac | 169 | struct timeval delivery_start; |
d9c3c8ed JH |
170 | address_item * first_addr; |
171 | address_item * next_addr; | |
172 | address_item * sync_addr; | |
173 | ||
74f1a423 JH |
174 | client_conn_ctx cctx; |
175 | smtp_inblock inblock; | |
176 | smtp_outblock outblock; | |
02b41d71 JH |
177 | uschar buffer[DELIVER_BUFFER_SIZE]; |
178 | uschar inbuffer[4096]; | |
179 | uschar outbuffer[4096]; | |
02b41d71 JH |
180 | } smtp_context; |
181 | ||
e9166683 JH |
182 | extern int smtp_setup_conn(smtp_context *, BOOL); |
183 | extern int smtp_write_mail_and_rcpt_cmds(smtp_context *, int *); | |
ee8b8090 | 184 | extern int smtp_reap_early_pipe(smtp_context *, int *); |
02b41d71 JH |
185 | |
186 | ||
0756eb3c PH |
187 | /* Data for reading the private options. */ |
188 | ||
189 | extern optionlist smtp_transport_options[]; | |
190 | extern int smtp_transport_options_count; | |
191 | ||
192 | /* Block containing default values. */ | |
193 | ||
194 | extern smtp_transport_options_block smtp_transport_option_defaults; | |
195 | ||
196 | /* The main, init, and closedown entry points for the transport */ | |
197 | ||
198 | extern BOOL smtp_transport_entry(transport_instance *, address_item *); | |
199 | extern void smtp_transport_init(transport_instance *); | |
200 | extern void smtp_transport_closedown(transport_instance *); | |
201 | ||
b4a2b536 JH |
202 | |
203 | ||
f0989ec0 | 204 | #ifdef SUPPORT_SOCKS |
160ef8ca | 205 | extern int socks_sock_connect(host_item *, int, int, uschar *, |
7eb6c37c JH |
206 | transport_instance *, int); |
207 | #endif | |
208 | ||
0756eb3c | 209 | /* End of transports/smtp.h */ |