REQUIRETLS: amplify docs discussion

[exim.git] / src / src / structs.h

diff --git a/src/src/structs.h b/src/src/structs.h
index 06fcd4188fcb4225cdaa6e6b1837c895fad91985..9ee3dba8d7b25672f24cc71ff805832d70990177 100644 (file)
--- a/src/src/structs.h
+++ b/src/src/structs.h
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -25,6 +25,13 @@ struct smtp_outblock;
 struct transport_info;
 struct router_info;
 
+/* Growable-string */
+typedef struct gstring {
+  int  size;           /* Current capacity of string memory */
+  int  ptr;            /* Offset at which to append further chars */
+  uschar * s;          /* The string memory */
+} gstring;
+
 /* Structure for remembering macros for the configuration file */
 
 typedef struct macro_item {
@@ -238,7 +245,7 @@ typedef int (*tpt_chunk_cmd_cb)(struct transport_context *, unsigned, unsigned);
 typedef struct transport_context {
   union {                      /* discriminated by option topt_output_string */
     int                          fd;   /* file descriptor to write message to */
-    uschar *             msg;  /* allocated string with written message */
+    gstring *            msg;  /* allocated string with written message */
   } u;
   transport_instance   * tblock;               /* transport */
   struct address_item  * addr;
@@ -249,10 +256,6 @@ typedef struct transport_context {
   /* items below only used with option topt_use_bdat */
   tpt_chunk_cmd_cb       chunk_cb;             /* per-datachunk callback */
   void                 * smtp_context;
-
-  /* items below only used with option topt_output_string */
-  int                    msg_size;
-  int                    msg_ptr;
 } transport_ctx;
 
 
@@ -610,13 +613,14 @@ typedef struct address_item {
     BOOL af_cert_verified:1;           /* delivered with verified TLS cert */
     BOOL af_pass_message:1;            /* pass message in bounces */
     BOOL af_bad_reply:1;               /* filter could not generate autoreply */
-    BOOL af_tcp_fastopen:1;            /* delivery used TCP Fast Open */
+    BOOL af_tcp_fastopen_conn:1;       /* delivery connection used TCP Fast Open */
+    BOOL af_tcp_fastopen:1;            /* delivery usefuly used TCP Fast Open */
 #ifndef DISABLE_PRDR
     BOOL af_prdr_used:1;               /* delivery used SMTP PRDR */
 #endif
     BOOL af_chunking_used:1;           /* delivery used SMTP CHUNKING */
     BOOL af_force_command:1;           /* force_command in pipe transport */
-#ifdef EXPERIMENTAL_DANE
+#ifdef SUPPORT_DANE
     BOOL af_dane_verified:1;           /* TLS cert verify done with DANE */
 #endif
 #ifdef SUPPORT_I18N
@@ -776,15 +780,21 @@ md5;
 typedef struct sha1 {
   unsigned int H[5];
   unsigned int length;
-  }
-sha1;
+} sha1;
+
+/* A client-initiated connection. If TLS, the second element is non-NULL */
+typedef struct {
+  int  sock;
+  void * tls_ctx;
+} client_conn_ctx;
+
 
 /* Structure used to hold incoming packets of SMTP responses for a specific
 socket. The packets which may contain multiple lines (and in some cases,
 multiple responses). */
 
 typedef struct smtp_inblock {
-  int     sock;                   /* the socket */
+  client_conn_ctx * cctx;        /* the connection */
   int     buffersize;             /* the size of the buffer */
   uschar *ptr;                    /* current position in the buffer */
   uschar *ptrend;                 /* end of data in the buffer */
@@ -796,7 +806,7 @@ specific socket. The packets which may contain multiple lines when pipelining
 is in use. */
 
 typedef struct smtp_outblock {
-  int     sock;                   /* the socket */
+  client_conn_ctx * cctx;        /* the connection */
   int     cmd_count;              /* count of buffered commands */
   int     buffersize;             /* the size of the buffer */
   BOOL    authenticating;         /* TRUE when authenticating */
@@ -867,13 +877,19 @@ typedef BOOL (*oicf) (uschar *message_id, void *data);
 /* DKIM information for transport */
 struct ob_dkim {
   uschar *dkim_domain;
+  uschar *dkim_identity;
   uschar *dkim_private_key;
   uschar *dkim_selector;
   uschar *dkim_canon;
   uschar *dkim_sign_headers;
   uschar *dkim_strict;
   uschar *dkim_hash;
+  uschar *dkim_timestamps;
   BOOL    dot_stuffed;
+  BOOL    force_bodyhash;
+#ifdef EXPERIMENTAL_ARC
+  uschar *arc_signspec;
+#endif
 };
 
 /* End of structs.h */