vacation: read message body from the file

* doc/texinfo/sieve.texi: Document recent changes to vacation.
* libmu_sieve/extensions/vacation.c (vacation_reply): Handle
the "rfc2822" tag: if set together with :file, treat the file
as the RFC2822 message.  Otherwise, read message body from it.
* sieve/tests/vacation.at: Add test for :rfc2822

@@ -1453,20 +1453,35 @@ pipe "/usr/sbin/maidag --url smtp://gray@@mail.gnu.org"
 @deftypefn Action {} vacation [:days @var{ndays}(number)] @
 @deftypefn Action {} vacation [:days @var{ndays}(number)] @
                           [:subject @var{subject}(string)] @
                           [:subject @var{subject}(string)] @
                           [:aliases @var{addrlist}(string-list)] @
                           [:aliases @var{addrlist}(string-list)] @
-                          [:addresses @var{noreply-address}(string-list)] @
+                          [:noreply @var{noreply-address}(string-list)] @
                           [:reply_regex @var{expr}(string)] @
                           [:reply_regex @var{expr}(string)] @
                           [:reply_prefix @var{prefix}(string)] @
                           [:reply_prefix @var{prefix}(string)] @
-                          @var{reply-text}(string)
+ 		          [:sender @var{email}(string)] @
+		          [:database @var{path}(string)] @
+		          [:return_address @var{email}(string)] @
+                          [:header @var{headers}(string-list)] @
+		          [:mime] @
+		          [:always_reply] @
+                          [:rfc2822] @
+		          [:file] @
+                          @var{text}(string)
 @*Syntax:
 @*Syntax:
 @smallexample
 @smallexample
 require "vacation";
 require "vacation";
 vacation @var{args};
 vacation @var{args};
 @end smallexample
 @end smallexample
 @*Description:
 @*Description:
-The @code{vacation} action returns a message with @var{reply-text} to
+The @code{vacation} action returns a message with @var{text} to
 the sender.  It is intended to inform the sender that the recipient is
 the sender.  It is intended to inform the sender that the recipient is
 not currently reading his mail.
 not currently reading his mail.
 
 
+If the @code{:file} tag is present, @var{text} is treated as the name
+of the file to read the body of the reply message from.  When used together
+with tag @code{:rfc2822}, the file should be formatted as a valid RFC
+2822 message, i.e. headers followed by empty line and body.  Headers
+must not contain @samp{To}, @samp{From}, and @samp{Subject}, as these
+will be generated automatically.
+
 If the @code{:subject} tag is given, its argument sets the subject of
 If the @code{:subject} tag is given, its argument sets the subject of
 the message.  Otherwise, the subject is formed by prefixing original
 the message.  Otherwise, the subject is formed by prefixing original
 subject with @samp{Re:}, or @var{prefix}, given with the
 subject with @samp{Re:}, or @var{prefix}, given with the
@@ -1475,6 +1490,11 @@ matching extended regular expression @var{expr} (@code{:reply_regex}
 tag) are stripped from the subject line.  If @code{:reply_regex} is not
 tag) are stripped from the subject line.  If @code{:reply_regex} is not
 specified, the default regexp is @samp{^re: *}. 
 specified, the default regexp is @samp{^re: *}. 
 
 
+Another headers can be added using the @code{:header} tag.  Its
+argument is a list of header strings, each one having the form
+@samp{"@var{name}:@var{value}"}.  Additional whitespace is allowed on
+both sides of the colon.
+
 The @code{:aliases} tag instructs @code{vacation} to handle messages
 The @code{:aliases} tag instructs @code{vacation} to handle messages
 for any address in @var{addrlist} in the same manner as those received
 for any address in @var{addrlist} in the same manner as those received
 for the user's principal email.
 for the user's principal email.
@@ -1496,13 +1516,17 @@ exclusion list is:
     ^MAILER-DAEMON@@.*
     ^MAILER-DAEMON@@.*
 @end smallexample
 @end smallexample
 
 
-New entries can be added to this list using @code{:addresses} tag.
+New entries can be added to this list using @code{:noreply} tag.
 
 
 The @code{:days} tag sets the @dfn{reply interval}.  A reply is sent to
 The @code{:days} tag sets the @dfn{reply interval}.  A reply is sent to
 each sender once in @var{ndays} days.  GNU Sieve keeps track of
 each sender once in @var{ndays} days.  GNU Sieve keeps track of
-sender addresses and dates in a DBM file @file{.vacation} stored in
-the user's home directory.  This tag is available only if Mailutils is
-compiled with DBM support.
+sender addresses and dates in file @file{.vacation} stored in
+the user's home directory.  The file name can be changed using the
+@code{:database} tag.
+
+The tag @code{:always_reply} instructs vacation to respond to the
+message regardless of whether the user email is listed as a recipient
+for the message.
 @end deftypefn
 @end deftypefn
 
 
 @node GNU Extensions
 @node GNU Extensions

@@ -93,7 +93,7 @@ enum mu_buffer_type
      If pat==NULL, any reads from that stream will return EOF. */
      If pat==NULL, any reads from that stream will return EOF. */
 #define MU_IOCTL_NULLSTREAM_SET_PATTERN 0
 #define MU_IOCTL_NULLSTREAM_SET_PATTERN 0
   /* Set pattern class for reads:  Argument int *pclass (a class mask
   /* Set pattern class for reads:  Argument int *pclass (a class mask
-     from mailutils/cctype.h */
+     from mailutils/cctype.h) */
 #define MU_IOCTL_NULLSTREAM_SET_PATCLASS 1
 #define MU_IOCTL_NULLSTREAM_SET_PATCLASS 1
   /* Limit stream size.  Argument: mu_off_t *psize; */
   /* Limit stream size.  Argument: mu_off_t *psize; */
 #define MU_IOCTL_NULLSTREAM_SETSIZE 2
 #define MU_IOCTL_NULLSTREAM_SETSIZE 2

@@ -24,6 +24,7 @@
 		    [:reply_prefix <prefix: string>]
 		    [:reply_prefix <prefix: string>]
 		    [:sender <email: string>]
 		    [:sender <email: string>]
 		    [:database <path: string>]
 		    [:database <path: string>]
+		    [:rfc2822]
 		    [:file]
 		    [:file]
 		    [:mime]
 		    [:mime]
 		    [:always_reply]
 		    [:always_reply]
@@ -637,6 +638,9 @@ vacation_reply (mu_sieve_machine_t mach, mu_list_t tags, mu_message_t msg,
 			  mu_strerror (rc));
 			  mu_strerror (rc));
 	  return -1;
 	  return -1;
 	}
 	}
+      
+      if (mu_sieve_tag_lookup (tags, "rfc2822", NULL))
+	{
 	  rc = mu_stream_to_message (instr, &newmsg);
 	  rc = mu_stream_to_message (instr, &newmsg);
 	  mu_stream_unref (instr);
 	  mu_stream_unref (instr);
 	  if (rc)
 	  if (rc)
@@ -651,6 +655,58 @@ vacation_reply (mu_sieve_machine_t mach, mu_list_t tags, mu_message_t msg,
 	}
 	}
       else
       else
 	{
 	{
+	  mu_stream_t text_stream;
+	  mu_transport_t trans[2];
+
+	  rc = mu_memory_stream_create (&text_stream, MU_STREAM_RDWR);
+	  if (rc)
+	    {
+	      mu_stream_unref (instr);
+	      mu_sieve_error (mach,
+			      _("%lu: cannot create memory stream: %s"),
+			      (unsigned long) mu_sieve_get_message_num (mach),
+			      mu_strerror (rc));
+	      return -1;
+	    }
+
+	  rc = mu_stream_copy (text_stream, instr, 0, NULL);
+	  mu_stream_unref (instr);
+	  if (rc == 0)
+	    rc = mu_stream_write (text_stream, "", 1, NULL);
+	  if (rc)
+	    {
+	      mu_sieve_error (mach,
+			      _("%lu: failed reading from %s: %s"),
+			      (unsigned long) mu_sieve_get_message_num (mach),
+			      text,
+			      mu_strerror (rc));
+	      return -1;
+	    }
+
+	  rc = mu_stream_ioctl (text_stream, MU_IOCTL_TRANSPORT,
+				MU_IOCTL_OP_GET, trans);
+	  if (rc)
+	    {
+	      mu_stream_unref (text_stream);
+	      mu_sieve_error (mach,
+			      "%lu: mu_stream_ioctl: %s",
+			      (unsigned long) mu_sieve_get_message_num (mach),
+			      mu_strerror (rc));
+	      return -1;
+	    }
+
+	  if (build_mime (mach, tags, &mime, msg, (char const *) trans[0]))
+	    {
+	      mu_stream_unref (text_stream);
+	      return -1;
+	    }
+	  mu_mime_get_message (mime, &newmsg);
+	  mu_message_unref (newmsg);
+	  mu_stream_unref (text_stream);
+	}
+    }
+  else
+    {
       if (build_mime (mach, tags, &mime, msg, text))
       if (build_mime (mach, tags, &mime, msg, text))
 	return -1;
 	return -1;
       mu_mime_get_message (mime, &newmsg);
       mu_mime_get_message (mime, &newmsg);
@@ -814,6 +870,7 @@ static mu_sieve_tag_def_t vacation_tags[] = {
   {"always_reply", SVT_VOID},
   {"always_reply", SVT_VOID},
   {"return_address", SVT_STRING},
   {"return_address", SVT_STRING},
   {"header", SVT_STRING_LIST},
   {"header", SVT_STRING_LIST},
+  {"rfc2822", SVT_VOID},
   {NULL}
   {NULL}
 };
 };
 
 

@@ -253,10 +253,10 @@ VACATION on msg uid 2
 VACATION on msg uid 3
 VACATION on msg uid 3
 ])
 ])
 
 
-MUT_SIEVE_EXT_TEST([reply from file],[vac05],
+MUT_SIEVE_EXT_TEST([reply from RFC2822 file],[vac05],
 [require "vacation";
 [require "vacation";
 
 
-vacation :database "vacation.db" :always_reply :file "reply";
+vacation :database "vacation.db" :always_reply :rfc2822 :file "reply";
 ],
 ],
 [AT_DATA([reply],[X-Mail-Processor: sieve
 [AT_DATA([reply],[X-Mail-Processor: sieve
 
 
@@ -320,5 +320,79 @@ VACATION on msg uid 2
 VACATION on msg uid 3
 VACATION on msg uid 3
 ])
 ])
 
 
+MUT_SIEVE_EXT_TEST([reply body from file],[vac06],
+[require "vacation";
+
+vacation :database "vacation.db" :always_reply :file "reply";
+],
+[AT_DATA([reply],[I'm on vacation right now.
+I will attend to your message as soon as I'm back.
+
+Best regards,
+Ty Coon
+])
+MUT_MBCOPY($abs_top_srcdir/testsuite/spool/sieve.mbox,mailbox)
+MTA_DIAG=`pwd`/mta.diag
+MTA_APPEND=1
+export MTA_DIAG MTA_APPEND
+sieve MUT_SIEVE_CMDLINE MUT_SIEVE_OPTIONS -f ./mailbox prog || exit 1
+cat ./mta.diag
+],
+[ENVELOPE FROM: foobar@nonexistent.net
+ENVELOPE TO: <coyote@desert.example.org>
+   0: In-Reply-To: Your message of Sun May  6 22:16:47 2001
+   1: Subject: =?UTF-8?Q?Re:_I_have_a_present_for_you?=
+   2: To: coyote@desert.example.org
+   3: Content-Transfer-Encoding: 8bit
+   4: Content-Type: text/plain;charset=UTF-8
+   5: MIME-Version: 1.0
+   6:
+   7: I'm on vacation right now.
+   8: I will attend to your message as soon as I'm back.
+   9:
+  10: Best regards,
+  11: Ty Coon
+  12:
+END OF MESSAGE
+ENVELOPE FROM: foobar@nonexistent.net
+ENVELOPE TO: <b1ff@de.res.example.com>
+   0: In-Reply-To: Your message of TBD
+   1: Subject: =?UTF-8?Q?Re:_$$$_YOU,_TOO,_CAN_BE_A_MILLIONAIRE!_$$$?=
+   2: To: b1ff@de.res.example.com
+   3: Content-Transfer-Encoding: 8bit
+   4: Content-Type: text/plain;charset=UTF-8
+   5: MIME-Version: 1.0
+   6:
+   7: I'm on vacation right now.
+   8: I will attend to your message as soon as I'm back.
+   9:
+  10: Best regards,
+  11: Ty Coon
+  12:
+END OF MESSAGE
+ENVELOPE FROM: foobar@nonexistent.net
+ENVELOPE TO: <bar@dontmailme.org>
+   0: References: <200112232808.fERKR9N16790@dontmailme.org>
+   1: In-Reply-To: Your message of Fri, 28 Dec 2001 23:28:08 +0200
+   2: 	<200112232808.fERKR9N16790@dontmailme.org>
+   3: Subject: =?UTF-8?Q?Re:_Coffee?=
+   4: To: bar@dontmailme.org
+   5: Content-Transfer-Encoding: 8bit
+   6: Content-Type: text/plain;charset=UTF-8
+   7: MIME-Version: 1.0
+   8:
+   9: I'm on vacation right now.
+  10: I will attend to your message as soon as I'm back.
+  11:
+  12: Best regards,
+  13: Ty Coon
+  14:
+END OF MESSAGE
+],
+[VACATION on msg uid 1
+VACATION on msg uid 2
+VACATION on msg uid 3
+])
+
 m4_popdef([MUT_SIEVE_EXT_NAME])
 m4_popdef([MUT_SIEVE_EXT_NAME])