X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/7c576fcada992ef799700d2fd1a7753f40f1bb7a..b10c87b38c2345d15d30da5c18c823355ac506a9:/src/src/structs.h

diff --git a/src/src/structs.h b/src/src/structs.h
index bec2b2aa0..349aa38e8 100644
--- a/src/src/structs.h
+++ b/src/src/structs.h
@@ -65,6 +65,12 @@ typedef enum {	CHUNKING_NOT_OFFERED = -1,
 		CHUNKING_ACTIVE,
 		CHUNKING_LAST} chunking_state_t;
 
+typedef enum {	TFO_NOT_USED = 0,
+		TFO_ATTEMPTED_NODATA,
+		TFO_ATTEMPTED_DATA,
+		TFO_USED_NODATA,
+		TFO_USED_DATA } tfo_state_t;
+
 /* Structure for holding information about a host for use mainly by routers,
 but also used when checking lists of hosts and when transporting. Looking up
 host addresses is done using this structure. */
@@ -420,8 +426,7 @@ typedef struct auth_info {
     uschar *);                    /* rest of AUTH command */
   int (*clientcode)(              /* client function */
     struct auth_instance *,
-    struct smtp_inblock *,        /* socket and input buffer */
-    struct smtp_outblock *,       /* socket and output buffer */
+    void *,			  /* smtp conn, with socket, output and input buffers */
     int,                          /* command timeout */
     uschar *,                     /* buffer for reading response */
     int);                         /* sizeof buffer */
@@ -439,6 +444,7 @@ typedef struct ip_address_item {
   int    port;
   BOOL   v6_include_v4;            /* Used in the daemon */
   uschar address[46];
+  uschar * log;			   /* portion of "listening on" log line */
 } ip_address_item;
 
 /* Structure for chaining together arbitrary strings. */
@@ -615,7 +621,11 @@ typedef struct address_item {
     BOOL af_bad_reply:1;		/* filter could not generate autoreply */
     BOOL af_tcp_fastopen_conn:1;	/* delivery connection used TCP Fast Open */
     BOOL af_tcp_fastopen:1;		/* delivery usefully used TCP Fast Open */
+    BOOL af_tcp_fastopen_data:1;	/* delivery sent SMTP commands on TCP Fast Open */
     BOOL af_pipelining:1;		/* delivery used (traditional) pipelining */
+#ifdef EXPERIMENTAL_PIPE_CONNECT
+    BOOL af_early_pipe:1;		/* delivery used connect-time pipelining */
+#endif
 #ifndef DISABLE_PRDR
     BOOL af_prdr_used:1;		/* delivery used SMTP PRDR */
 #endif
@@ -626,6 +636,9 @@ typedef struct address_item {
 #endif
 #ifdef SUPPORT_I18N
     BOOL af_utf8_downcvt:1;		/* downconvert was done for delivery */
+#endif
+#ifdef EXPERIMENTAL_TLS_RESUME
+    BOOL af_tls_resume:1;		/* TLS used a resumed session */
 #endif
   } flags;
 
@@ -740,11 +753,12 @@ typedef struct {
   const uschar *data;                   /* pointer to data */
 } dns_record;
 
-/* Structure for holding the result of a DNS query. */
+/* Structure for holding the result of a DNS query.  A touch over
+64k big, so take care to release as soon as possible. */
 
 typedef struct {
   int     answerlen;              /* length of the answer */
-  uschar  answer[MAXPACKET];      /* the answer itself */
+  uschar  answer[NS_MAXMSG];      /* the answer itself */
 } dns_answer;
 
 /* Structure for holding the intermediate data while scanning a DNS answer
@@ -783,6 +797,20 @@ typedef struct sha1 {
   unsigned int length;
 } sha1;
 
+/* Information for making an smtp connection */
+typedef struct {
+  transport_instance *  tblock;
+  void *		ob;	/* smtp_transport_options_block * */
+  host_item *           host;
+  int                   host_af;
+  uschar *              interface;
+
+#if defined(SUPPORT_TLS) && defined(SUPPORT_DANE)
+  BOOL dane:1;			/* connection must do dane */
+  dns_answer		tlsa_dnsa;
+#endif
+} smtp_connect_args;
+
 /* A client-initiated connection. If TLS, the second element is non-NULL */
 typedef struct {
   int	sock;
@@ -813,6 +841,8 @@ typedef struct smtp_outblock {
   BOOL    authenticating;         /* TRUE when authenticating */
   uschar *ptr;                    /* current position in the buffer */
   uschar *buffer;                 /* the buffer itself */
+
+  smtp_connect_args * conn_args;  /* to make connection, if not yet made */
 } smtp_outblock;
 
 /* Structure to hold information about the source of redirection information */
@@ -857,19 +887,21 @@ typedef struct namedlist_block {
 /* Structures for Access Control Lists */
 
 typedef struct acl_condition_block {
-  struct acl_condition_block *next;
-  uschar *arg;
-  int type;
+  struct acl_condition_block *	next;
+  uschar *			arg;
+  int				type;
   union {
-    BOOL negated;
-    uschar *varname;
+    BOOL	negated;
+    uschar *	varname;
   } u;
 } acl_condition_block;
 
 typedef struct acl_block {
-  struct acl_block *next;
-  acl_condition_block *condition;
-  int verb;
+  struct acl_block *	next;
+  acl_condition_block *	condition;
+  int			verb;
+  int			srcline;
+  const uschar *	srcfile;
 } acl_block;
 
 /* smtp transport calc outbound_ip */