Taint: track in ${utf8clean:} operator
[exim.git] / src / src / transports / smtp.h
index 88b608bcc54130584c3be36f9345a7a01ea814cb..0ddb6276025e74f4a8ac718deabc46bea9d463e1 100644 (file)
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2017 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 #define DELIVER_BUFFER_SIZE 4096
@@ -29,9 +29,10 @@ typedef struct {
   uschar *hosts_try_auth;
   uschar *hosts_require_auth;
   uschar *hosts_try_chunking;
-#ifdef EXPERIMENTAL_DANE
+#ifdef SUPPORT_DANE
   uschar *hosts_try_dane;
   uschar *hosts_require_dane;
+  uschar *dane_require_tls_ciphers;
 #endif
   uschar *hosts_try_fastopen;
 #ifndef DISABLE_PRDR
@@ -45,8 +46,11 @@ typedef struct {
   uschar *hosts_avoid_tls;
   uschar *hosts_verify_avoid_tls;
   uschar *hosts_avoid_pipelining;
+#ifndef DISABLE_PIPE_CONNECT
+  uschar *hosts_pipe_connect;
+#endif
   uschar *hosts_avoid_esmtp;
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
   uschar *hosts_nopass_tls;
   uschar *hosts_noproxy_tls;
 #endif
@@ -74,11 +78,14 @@ typedef struct {
 #ifdef SUPPORT_SOCKS
   uschar *socks_proxy;
 #endif
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
   uschar *tls_certificate;
   uschar *tls_crl;
   uschar *tls_privatekey;
   uschar *tls_require_ciphers;
+# ifdef EXPERIMENTAL_TLS_RESUME
+  uschar *tls_resumption_hosts;
+# endif
   uschar *tls_sni;
   uschar *tls_verify_certificates;
   int     tls_dh_min_bits;
@@ -87,27 +94,40 @@ typedef struct {
   uschar *tls_try_verify_hosts;
   uschar *tls_verify_cert_hostnames;
 #endif
+#ifdef SUPPORT_I18N
+  uschar *utf8_downconvert;
+#endif
 #ifndef DISABLE_DKIM
   struct ob_dkim dkim;
 #endif
+#ifdef EXPERIMENTAL_ARC
+  uschar *arc_sign;
+#endif
 } smtp_transport_options_block;
 
+#define SOB (smtp_transport_options_block *)
+
+
 /* smtp connect context */
 typedef struct {
   uschar *             from_addr;
   address_item *       addrlist;
-  host_item *          host;
-  int                  host_af;
+
+  smtp_connect_args    conn_args;
   int                  port;
-  uschar *             interface;
 
   BOOL verify:1;
   BOOL lmtp:1;
   BOOL smtps:1;
   BOOL ok:1;
   BOOL setting_up:1;
+#ifndef DISABLE_PIPE_CONNECT
+  BOOL early_pipe_ok:1;
+  BOOL early_pipe_active:1;
+#endif
   BOOL esmtp:1;
   BOOL esmtp_sent:1;
+  BOOL pipelining_used:1;
 #ifndef DISABLE_PRDR
   BOOL prdr_active:1;
 #endif
@@ -115,12 +135,16 @@ typedef struct {
   BOOL utf8_needed:1;
 #endif
   BOOL dsn_all_lasthop:1;
-#if defined(SUPPORT_TLS) && defined(EXPERIMENTAL_DANE)
-  BOOL dane:1;
+#if !defined(DISABLE_TLS) && defined(SUPPORT_DANE)
   BOOL dane_required:1;
+#endif
+#ifndef DISABLE_PIPE_CONNECT
+  BOOL pending_BANNER:1;
+  BOOL pending_EHLO:1;
 #endif
   BOOL pending_MAIL:1;
   BOOL pending_BDAT:1;
+  BOOL RCPT_452:1;
   BOOL good_RCPT:1;
   BOOL completed_addr:1;
   BOOL send_rset:1;
@@ -129,30 +153,34 @@ typedef struct {
   int          max_rcpt;
   int          cmd_count;
 
-  uschar       peer_offered;
+  unsigned     peer_offered;
+  unsigned     avoid_option;
   uschar *     igquotstr;
   uschar *     helo_data;
 #ifdef EXPERIMENTAL_DSN_INFO
   uschar *     smtp_greeting;
   uschar *     helo_response;
 #endif
+#ifndef DISABLE_PIPE_CONNECT
+  ehlo_resp_precis     ehlo_resp;
+#endif
 
+  struct timeval       delivery_start;
   address_item *       first_addr;
   address_item *       next_addr;
   address_item *       sync_addr;
 
-  smtp_inblock  inblock;
-  smtp_outblock outblock;
+  client_conn_ctx      cctx;
+  smtp_inblock         inblock;
+  smtp_outblock                outblock;
   uschar       buffer[DELIVER_BUFFER_SIZE];
   uschar       inbuffer[4096];
   uschar       outbuffer[4096];
-
-  transport_instance *                 tblock;
-  smtp_transport_options_block *       ob;
 } smtp_context;
 
 extern int smtp_setup_conn(smtp_context *, BOOL);
 extern int smtp_write_mail_and_rcpt_cmds(smtp_context *, int *);
+extern int smtp_reap_early_pipe(smtp_context *, int *);
 
 
 /* Data for reading the private options. */
@@ -172,12 +200,6 @@ extern void smtp_transport_closedown(transport_instance *);
 
 
 
-extern int     smtp_auth(uschar *, unsigned, address_item *, host_item *,
-                smtp_transport_options_block *, BOOL,
-                smtp_inblock *, smtp_outblock *);
-extern BOOL    smtp_mail_auth_str(uschar *, unsigned,
-                address_item *, smtp_transport_options_block *);
-
 #ifdef SUPPORT_SOCKS
 extern int     socks_sock_connect(host_item *, int, int, uschar *,
                 transport_instance *, int);