X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-reply.c;h=0f682db413306ff5f6a7722299340f481c2d0fab;hp=230cacc34fc539f1c1714ee83f0c86738a99ddbf;hb=982096d79df8d47ac62d9a74fa0a9baa9c008812;hpb=8cbb5114a20c1217f23977fd5edca99a0b7a2955

diff --git a/notmuch-reply.c b/notmuch-reply.c
index 230cacc3..0f682db4 100644
--- a/notmuch-reply.c
+++ b/notmuch-reply.c
@@ -25,32 +25,26 @@
 #include "gmime-filter-headers.h"
 
 static void
-reply_part_content (GMimeObject *part)
-{
-    GMimeStream *stream_stdout = NULL, *stream_filter = NULL;
-    GMimeDataWrapper *wrapper;
-    const char *charset;
+reply_headers_message_part (GMimeMessage *message);
 
-    charset = g_mime_object_get_content_type_parameter (part, "charset");
-    stream_stdout = g_mime_stream_file_new (stdout);
-    if (stream_stdout) {
-	g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream_stdout), FALSE);
-	stream_filter = g_mime_stream_filter_new(stream_stdout);
-        if (charset) {
-          g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
-                                   g_mime_filter_charset_new(charset, "UTF-8"));
-        }
-    }
-    g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
-			     g_mime_filter_reply_new(TRUE));
-    wrapper = g_mime_part_get_content_object (GMIME_PART (part));
-    if (wrapper && stream_filter)
-	g_mime_data_wrapper_write_to_stream (wrapper, stream_filter);
-    if (stream_filter)
-	g_object_unref(stream_filter);
-    if (stream_stdout)
-	g_object_unref(stream_stdout);
-}
+static void
+reply_part_content (GMimeObject *part);
+
+static const notmuch_show_format_t format_reply = {
+    "",
+	"", NULL,
+	    "", NULL, reply_headers_message_part, ">\n",
+	    "",
+	        NULL,
+	        NULL,
+	        NULL,
+	        reply_part_content,
+	        NULL,
+	        "",
+	    "",
+	"", "",
+    ""
+};
 
 static void
 show_reply_headers (GMimeMessage *message)
@@ -72,44 +66,84 @@ show_reply_headers (GMimeMessage *message)
 }
 
 static void
-reply_part (GMimeObject *part, int *part_count)
+reply_headers_message_part (GMimeMessage *message)
 {
-    GMimeContentDisposition *disposition;
-    GMimeContentType *content_type;
+    InternetAddressList *recipients;
+    const char *recipients_string;
+
+    printf ("> From: %s\n", g_mime_message_get_sender (message));
+    recipients = g_mime_message_get_recipients (message, GMIME_RECIPIENT_TYPE_TO);
+    recipients_string = internet_address_list_to_string (recipients, 0);
+    if (recipients_string)
+	printf ("> To: %s\n",
+		recipients_string);
+    recipients = g_mime_message_get_recipients (message, GMIME_RECIPIENT_TYPE_CC);
+    recipients_string = internet_address_list_to_string (recipients, 0);
+    if (recipients_string)
+	printf ("> Cc: %s\n",
+		recipients_string);
+    printf ("> Subject: %s\n", g_mime_message_get_subject (message));
+    printf ("> Date: %s\n", g_mime_message_get_date_as_string (message));
+}
 
-    (void) part_count;
-    disposition = g_mime_object_get_content_disposition (part);
-    if (disposition &&
-	strcmp (disposition->disposition, GMIME_DISPOSITION_ATTACHMENT) == 0)
-    {
-	const char *filename = g_mime_part_get_filename (GMIME_PART (part));
-	content_type = g_mime_object_get_content_type (GMIME_OBJECT (part));
 
-	if (g_mime_content_type_is_type (content_type, "text", "*") &&
-	    !g_mime_content_type_is_type (content_type, "text", "html"))
-	{
-	    reply_part_content (part);
-	}
-	else
-	{
-	    printf ("Attachment: %s (%s)\n", filename,
-		    g_mime_content_type_to_string (content_type));
-	}
+static void
+reply_part_content (GMimeObject *part)
+{
+    GMimeContentType *content_type = g_mime_object_get_content_type (GMIME_OBJECT (part));
+    GMimeContentDisposition *disposition = g_mime_object_get_content_disposition (part);
 
-	return;
+    if (g_mime_content_type_is_type (content_type, "multipart", "*") ||
+	g_mime_content_type_is_type (content_type, "message", "rfc822"))
+    {
+	/* Output nothing, since multipart subparts will be handled individually. */
     }
-
-    content_type = g_mime_object_get_content_type (GMIME_OBJECT (part));
-
-    if (g_mime_content_type_is_type (content_type, "text", "*") &&
+    else if (g_mime_content_type_is_type (content_type, "application", "pgp-encrypted") ||
+	     g_mime_content_type_is_type (content_type, "application", "pgp-signature"))
+    {
+	/* Ignore PGP/MIME cruft parts */
+    }
+    else if (g_mime_content_type_is_type (content_type, "text", "*") &&
 	!g_mime_content_type_is_type (content_type, "text", "html"))
     {
-	reply_part_content (part);
+	GMimeStream *stream_stdout = NULL, *stream_filter = NULL;
+	GMimeDataWrapper *wrapper;
+	const char *charset;
+
+	charset = g_mime_object_get_content_type_parameter (part, "charset");
+	stream_stdout = g_mime_stream_file_new (stdout);
+	if (stream_stdout) {
+	    g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream_stdout), FALSE);
+	    stream_filter = g_mime_stream_filter_new(stream_stdout);
+	    if (charset) {
+		g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
+					 g_mime_filter_charset_new(charset, "UTF-8"));
+	    }
+	}
+	g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
+				 g_mime_filter_reply_new(TRUE));
+	wrapper = g_mime_part_get_content_object (GMIME_PART (part));
+	if (wrapper && stream_filter)
+	    g_mime_data_wrapper_write_to_stream (wrapper, stream_filter);
+	if (stream_filter)
+	    g_object_unref(stream_filter);
+	if (stream_stdout)
+	    g_object_unref(stream_stdout);
     }
     else
     {
-	printf ("Non-text part: %s\n",
-		g_mime_content_type_to_string (content_type));
+	if (disposition &&
+	    strcmp (disposition->disposition, GMIME_DISPOSITION_ATTACHMENT) == 0)
+	{
+	    const char *filename = g_mime_part_get_filename (GMIME_PART (part));
+	    printf ("Attachment: %s (%s)\n", filename,
+		    g_mime_content_type_to_string (content_type));
+	}
+	else
+	{
+	    printf ("Non-text part: %s\n",
+		    g_mime_content_type_to_string (content_type));
+	}
     }
 }
 
@@ -119,7 +153,7 @@ static int
 address_is_users (const char *address, notmuch_config_t *config)
 {
     const char *primary;
-    char **other;
+    const char **other;
     size_t i, other_len;
 
     primary = notmuch_config_get_user_primary_email (config);
@@ -134,22 +168,29 @@ address_is_users (const char *address, notmuch_config_t *config)
     return 0;
 }
 
-/* For each address in 'list' that is not configured as one of the
- * user's addresses in 'config', add that address to 'message' as an
- * address of 'type'.
+/* Scan addresses in 'list'.
  *
- * The first address encountered that *is* the user's address will be
- * returned, (otherwise NULL is returned).
+ * If 'message' is non-NULL, then for each address in 'list' that is
+ * not configured as one of the user's addresses in 'config', add that
+ * address to 'message' as an address of 'type'.
+ *
+ * If 'user_from' is non-NULL and *user_from is NULL, *user_from will
+ * be set to the first address encountered in 'list' that is the
+ * user's address.
+ *
+ * Return the number of addresses added to 'message'. (If 'message' is
+ * NULL, the function returns 0 by definition.)
  */
-static const char *
-add_recipients_for_address_list (GMimeMessage *message,
-				 notmuch_config_t *config,
-				 GMimeRecipientType type,
-				 InternetAddressList *list)
+static unsigned int
+scan_address_list (InternetAddressList *list,
+		   notmuch_config_t *config,
+		   GMimeMessage *message,
+		   GMimeRecipientType type,
+		   const char **user_from)
 {
     InternetAddress *address;
     int i;
-    const char *ret = NULL;
+    unsigned int n = 0;
 
     for (i = 0; i < internet_address_list_length (list); i++) {
 	address = internet_address_list_get_address (list, i);
@@ -162,8 +203,7 @@ add_recipients_for_address_list (GMimeMessage *message,
 	    if (group_list == NULL)
 		continue;
 
-	    add_recipients_for_address_list (message, config,
-					     type, group_list);
+	    n += scan_address_list (group_list, config, message, type, user_from);
 	} else {
 	    InternetAddressMailbox *mailbox;
 	    const char *name;
@@ -175,37 +215,41 @@ add_recipients_for_address_list (GMimeMessage *message,
 	    addr = internet_address_mailbox_get_addr (mailbox);
 
 	    if (address_is_users (addr, config)) {
-		if (ret == NULL)
-		    ret = addr;
-	    } else {
+		if (user_from && *user_from == NULL)
+		    *user_from = addr;
+	    } else if (message) {
 		g_mime_message_add_recipient (message, type, name, addr);
+		n++;
 	    }
 	}
     }
 
-    return ret;
+    return n;
 }
 
-/* For each address in 'recipients' that is not configured as one of
- * the user's addresses in 'config', add that address to 'message' as
- * an address of 'type'.
+/* Scan addresses in 'recipients'.
  *
- * The first address encountered that *is* the user's address will be
- * returned, (otherwise NULL is returned).
+ * See the documentation of scan_address_list() above. This function
+ * does exactly the same, but converts 'recipients' to an
+ * InternetAddressList first.
  */
-static const char *
-add_recipients_for_string (GMimeMessage *message,
-			   notmuch_config_t *config,
-			   GMimeRecipientType type,
-			   const char *recipients)
+static unsigned int
+scan_address_string (const char *recipients,
+		     notmuch_config_t *config,
+		     GMimeMessage *message,
+		     GMimeRecipientType type,
+		     const char **user_from)
 {
     InternetAddressList *list;
 
+    if (recipients == NULL)
+	return 0;
+
     list = internet_address_list_parse_string (recipients);
     if (list == NULL)
-	return NULL;
+	return 0;
 
-    return add_recipients_for_address_list (message, config, type, list);
+    return scan_address_list (list, config, message, type, user_from);
 }
 
 /* Does the address in the Reply-To header of 'message' already appear
@@ -214,16 +258,16 @@ add_recipients_for_string (GMimeMessage *message,
 static int
 reply_to_header_is_redundant (notmuch_message_t *message)
 {
-    const char *header, *addr;
+    const char *reply_to, *to, *cc, *addr;
     InternetAddressList *list;
     InternetAddress *address;
     InternetAddressMailbox *mailbox;
 
-    header = notmuch_message_get_header (message, "reply-to");
-    if (*header == '\0')
+    reply_to = notmuch_message_get_header (message, "reply-to");
+    if (reply_to == NULL || *reply_to == '\0')
 	return 0;
 
-    list = internet_address_list_parse_string (header);
+    list = internet_address_list_parse_string (reply_to);
 
     if (internet_address_list_length (list) != 1)
 	return 0;
@@ -235,8 +279,11 @@ reply_to_header_is_redundant (notmuch_message_t *message)
     mailbox = INTERNET_ADDRESS_MAILBOX (address);
     addr = internet_address_mailbox_get_addr (mailbox);
 
-    if (strstr (notmuch_message_get_header (message, "to"), addr) != 0 ||
-	strstr (notmuch_message_get_header (message, "cc"), addr) != 0)
+    to = notmuch_message_get_header (message, "to");
+    cc = notmuch_message_get_header (message, "cc");
+
+    if ((to && strstr (to, addr) != 0) ||
+	(cc && strstr (cc, addr) != 0))
     {
 	return 1;
     }
@@ -244,15 +291,23 @@ reply_to_header_is_redundant (notmuch_message_t *message)
     return 0;
 }
 
-/* Augments the recipients of reply from the headers of message.
+/* Augment the recipients of 'reply' from the "Reply-to:", "From:",
+ * "To:", "Cc:", and "Bcc:" headers of 'message'.
+ *
+ * If 'reply_all' is true, use sender and all recipients, otherwise
+ * scan the headers for the first that contains something other than
+ * the user's addresses and add the recipients from this header
+ * (typically this would be reply-to-sender, but also handles reply to
+ * user's own message in a sensible way).
  *
- * If any of the user's addresses were found in these headers, the first
- * of these returned, otherwise NULL is returned.
+ * If any of the user's addresses were found in these headers, the
+ * first of these returned, otherwise NULL is returned.
  */
 static const char *
 add_recipients_from_message (GMimeMessage *reply,
 			     notmuch_config_t *config,
-			     notmuch_message_t *message)
+			     notmuch_message_t *message,
+			     notmuch_bool_t reply_all)
 {
     struct {
 	const char *header;
@@ -266,6 +321,7 @@ add_recipients_from_message (GMimeMessage *reply,
     };
     const char *from_addr = NULL;
     unsigned int i;
+    unsigned int n = 0;
 
     /* Some mailing lists munge the Reply-To header despite it being A Bad
      * Thing, see http://www.unicom.com/pw/reply-to-harmful.html
@@ -273,7 +329,7 @@ add_recipients_from_message (GMimeMessage *reply,
      * The munging is easy to detect, because it results in a
      * redundant reply-to header, (with an address that already exists
      * in either To or Cc). So in this case, we ignore the Reply-To
-     * field and use the From header. Thie ensures the original sender
+     * field and use the From header. This ensures the original sender
      * will get the reply even if not subscribed to the list. Note
      * that the address in the Reply-To header will always appear in
      * the reply.
@@ -284,7 +340,7 @@ add_recipients_from_message (GMimeMessage *reply,
     }
 
     for (i = 0; i < ARRAY_SIZE (reply_to_map); i++) {
-	const char *addr, *recipients;
+	const char *recipients;
 
 	recipients = notmuch_message_get_header (message,
 						 reply_to_map[i].header);
@@ -292,11 +348,24 @@ add_recipients_from_message (GMimeMessage *reply,
 	    recipients = notmuch_message_get_header (message,
 						     reply_to_map[i].fallback);
 
-	addr = add_recipients_for_string (reply, config,
-					  reply_to_map[i].recipient_type,
-					  recipients);
-	if (from_addr == NULL)
-	    from_addr = addr;
+	n += scan_address_string (recipients, config, reply,
+				  reply_to_map[i].recipient_type, &from_addr);
+
+	if (!reply_all && n) {
+	    /* Stop adding new recipients in reply-to-sender mode if
+	     * we have added some recipient(s) above.
+	     *
+	     * This also handles the case of user replying to his own
+	     * message, where reply-to/from is not a recipient. In
+	     * this case there may be more than one recipient even if
+	     * not replying to all.
+	     */
+	    reply = NULL;
+
+	    /* From address and some recipients are enough, bail out. */
+	    if (from_addr)
+		break;
+	}
     }
 
     return from_addr;
@@ -305,34 +374,105 @@ add_recipients_from_message (GMimeMessage *reply,
 static const char *
 guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message)
 {
-    const char *received,*primary;
-    char **other;
-    char *by,*mta,*ptr,*token;
+    const char *received,*primary,*by;
+    const char **other;
+    char *tohdr;
+    char *mta,*ptr,*token;
     char *domain=NULL;
     char *tld=NULL;
     const char *delim=". \t";
-    size_t i,other_len;
+    size_t i,j,other_len;
+
+    const char *to_headers[] = {"Envelope-to", "X-Original-To"};
+
+    primary = notmuch_config_get_user_primary_email (config);
+    other = notmuch_config_get_user_other_email (config, &other_len);
+
+    /* sadly, there is no standard way to find out to which email
+     * address a mail was delivered - what is in the headers depends
+     * on the MTAs used along the way. So we are trying a number of
+     * heuristics which hopefully will answer this question.
+
+     * We only got here if none of the users email addresses are in
+     * the To: or Cc: header. From here we try the following in order:
+     * 1) check for an Envelope-to: header
+     * 2) check for an X-Original-To: header
+     * 3) check for a (for <email@add.res>) clause in Received: headers
+     * 4) check for the domain part of known email addresses in the
+     *    'by' part of Received headers
+     * If none of these work, we give up and return NULL
+     */
+    for (i = 0; i < sizeof(to_headers)/sizeof(*to_headers); i++) {
+	tohdr = xstrdup(notmuch_message_get_header (message, to_headers[i]));
+	if (tohdr && *tohdr) {
+	    /* tohdr is potentialy a list of email addresses, so here we
+	     * check if one of the email addresses is a substring of tohdr
+	     */
+	    if (strcasestr(tohdr, primary)) {
+		free(tohdr);
+		return primary;
+	    }
+	    for (j = 0; j < other_len; j++)
+		if (strcasestr (tohdr, other[j])) {
+		    free(tohdr);
+		    return other[j];
+		}
+	    free(tohdr);
+	}
+    }
 
+    /* We get the concatenated Received: headers and search from the
+     * front (last Received: header added) and try to extract from
+     * them indications to which email address this message was
+     * delivered.
+     * The Received: header is special in our get_header function
+     * and is always concatenated.
+     */
     received = notmuch_message_get_header (message, "received");
-    by = strstr (received, " by ");
-    if (by && *(by+4)) {
-	/* sadly, the format of Received: headers is a bit inconsistent,
-	 * depending on the MTA used. So we try to extract just the MTA
-	 * here by removing leading whitespace and assuming that the MTA
-	 * name ends at the next whitespace
-	 * we test for *(by+4) to be non-'\0' to make sure there's something
-	 * there at all - and then assume that the first whitespace delimited
-	 * token that follows is the last receiving server
+    if (received == NULL)
+	return NULL;
+
+    /* First we look for a " for <email@add.res>" in the received
+     * header
+     */
+    ptr = strstr (received, " for ");
+    if (ptr) {
+	/* the text following is potentialy a list of email addresses,
+	 * so again we check if one of the email addresses is a
+	 * substring of ptr
 	 */
-	mta = strdup (by+4);
-	if (mta == NULL)
-	    return NULL;
+	if (strcasestr(ptr, primary)) {
+	    return primary;
+	}
+	for (i = 0; i < other_len; i++)
+	    if (strcasestr (ptr, other[i])) {
+		return other[i];
+	    }
+    }
+    /* Finally, we parse all the " by MTA ..." headers to guess the
+     * email address that this was originally delivered to.
+     * We extract just the MTA here by removing leading whitespace and
+     * assuming that the MTA name ends at the next whitespace.
+     * We test for *(by+4) to be non-'\0' to make sure there's
+     * something there at all - and then assume that the first
+     * whitespace delimited token that follows is the receiving
+     * system in this step of the receive chain
+     */
+    by = received;
+    while((by = strstr (by, " by ")) != NULL) {
+	by += 4;
+	if (*by == '\0')
+	    break;
+	mta = xstrdup (by);
 	token = strtok(mta," \t");
-	if (token == NULL)
-	    return NULL;
+	if (token == NULL) {
+	    free (mta);
+	    break;
+	}
 	/* Now extract the last two components of the MTA host name
-	 * as domain and tld
+	 * as domain and tld.
 	 */
+	domain = tld = NULL;
 	while ((ptr = strsep (&token, delim)) != NULL) {
 	    if (*ptr == '\0')
 		continue;
@@ -341,23 +481,24 @@ guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message
 	}
 
 	if (domain) {
-	    /* recombine domain and tld and look for it among the configured
-	     * email addresses
+	    /* Recombine domain and tld and look for it among the configured
+	     * email addresses.
+	     * This time we have a known domain name and nothing else - so
+	     * the test is the other way around: we check if this is a
+	     * substring of one of the email addresses.
 	     */
 	    *(tld-1) = '.';
-	    primary = notmuch_config_get_user_primary_email (config);
-	    if (strcasestr (primary, domain)) {
-		free (mta);
+
+	    if (strcasestr(primary, domain)) {
+		free(mta);
 		return primary;
 	    }
-	    other = notmuch_config_get_user_other_email (config, &other_len);
 	    for (i = 0; i < other_len; i++)
-		if (strcasestr (other[i], domain)) {
-		    free (mta);
+		if (strcasestr (other[i],domain)) {
+		    free(mta);
 		    return other[i];
 		}
 	}
-
 	free (mta);
     }
 
@@ -365,13 +506,18 @@ guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message
 }
 
 static int
-notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_t *query)
+notmuch_reply_format_default(void *ctx,
+			     notmuch_config_t *config,
+			     notmuch_query_t *query,
+			     notmuch_show_params_t *params,
+			     notmuch_bool_t reply_all)
 {
     GMimeMessage *reply;
     notmuch_messages_t *messages;
     notmuch_message_t *message;
     const char *subject, *from_addr = NULL;
     const char *in_reply_to, *orig_references, *references;
+    const notmuch_show_format_t *format = &format_reply;
 
     for (messages = notmuch_query_search_messages (query);
 	 notmuch_messages_valid (messages);
@@ -387,11 +533,14 @@ notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_
 	}
 
 	subject = notmuch_message_get_header (message, "subject");
-	if (strncasecmp (subject, "Re:", 3))
-	    subject = talloc_asprintf (ctx, "Re: %s", subject);
-	g_mime_message_set_subject (reply, subject);
+	if (subject) {
+	    if (strncasecmp (subject, "Re:", 3))
+		subject = talloc_asprintf (ctx, "Re: %s", subject);
+	    g_mime_message_set_subject (reply, subject);
+	}
 
-	from_addr = add_recipients_from_message (reply, config, message);
+	from_addr = add_recipients_from_message (reply, config, message,
+						 reply_all);
 
 	if (from_addr == NULL)
 	    from_addr = guess_from_received_header (config, message);
@@ -405,9 +554,6 @@ notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_
 	g_mime_object_set_header (GMIME_OBJECT (reply),
 				  "From", from_addr);
 
-	g_mime_object_set_header (GMIME_OBJECT (reply), "Bcc",
-			   notmuch_config_get_user_primary_email (config));
-
 	in_reply_to = talloc_asprintf (ctx, "<%s>",
 			     notmuch_message_get_message_id (message));
 
@@ -431,7 +577,7 @@ notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_
 		notmuch_message_get_header (message, "date"),
 		notmuch_message_get_header (message, "from"));
 
-	show_message_body (notmuch_message_get_filename (message), reply_part);
+	show_message_body (message, format, params);
 
 	notmuch_message_destroy (message);
     }
@@ -440,7 +586,11 @@ notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_
 
 /* This format is currently tuned for a git send-email --notmuch hook */
 static int
-notmuch_reply_format_headers_only(void *ctx, notmuch_config_t *config, notmuch_query_t *query)
+notmuch_reply_format_headers_only(void *ctx,
+				  notmuch_config_t *config,
+				  notmuch_query_t *query,
+				  unused (notmuch_show_params_t *params),
+				  notmuch_bool_t reply_all)
 {
     GMimeMessage *reply;
     notmuch_messages_t *messages;
@@ -480,10 +630,7 @@ notmuch_reply_format_headers_only(void *ctx, notmuch_config_t *config, notmuch_q
 	g_mime_object_set_header (GMIME_OBJECT (reply),
 				  "References", references);
 
-	(void)add_recipients_from_message (reply, config, message);
-
-	g_mime_object_set_header (GMIME_OBJECT (reply), "Bcc",
-			   notmuch_config_get_user_primary_email (config));
+	(void)add_recipients_from_message (reply, config, message, reply_all);
 
 	reply_headers = g_mime_object_to_string (GMIME_OBJECT (reply));
 	printf ("%s", reply_headers);
@@ -497,47 +644,66 @@ notmuch_reply_format_headers_only(void *ctx, notmuch_config_t *config, notmuch_q
     return 0;
 }
 
+enum {
+    FORMAT_DEFAULT,
+    FORMAT_HEADERS_ONLY,
+};
+
 int
 notmuch_reply_command (void *ctx, int argc, char *argv[])
 {
     notmuch_config_t *config;
     notmuch_database_t *notmuch;
     notmuch_query_t *query;
-    char *opt, *query_string;
-    int i, ret = 0;
-    int (*reply_format_func)(void *ctx, notmuch_config_t *config, notmuch_query_t *query);
+    char *query_string;
+    int opt_index, ret = 0;
+    int (*reply_format_func)(void *ctx, notmuch_config_t *config, notmuch_query_t *query, notmuch_show_params_t *params, notmuch_bool_t reply_all);
+    notmuch_show_params_t params = { .part = -1 };
+    int format = FORMAT_DEFAULT;
+    int reply_all = TRUE;
+    notmuch_bool_t decrypt = FALSE;
+
+    notmuch_opt_desc_t options[] = {
+	{ NOTMUCH_OPT_KEYWORD, &format, "format", 'f',
+	  (notmuch_keyword_t []){ { "default", FORMAT_DEFAULT },
+				  { "headers-only", FORMAT_HEADERS_ONLY },
+				  { 0, 0 } } },
+	{ NOTMUCH_OPT_KEYWORD, &reply_all, "reply-to", 'r',
+	  (notmuch_keyword_t []){ { "all", TRUE },
+				  { "sender", FALSE },
+				  { 0, 0 } } },
+	{ NOTMUCH_OPT_BOOLEAN, &decrypt, "decrypt", 'd', 0 },
+	{ 0, 0, 0, 0, 0 }
+    };
 
-    reply_format_func = notmuch_reply_format_default;
+    opt_index = parse_arguments (argc, argv, options, 1);
+    if (opt_index < 0) {
+	/* diagnostics already printed */
+	return 1;
+    }
 
-    for (i = 0; i < argc && argv[i][0] == '-'; i++) {
-	if (strcmp (argv[i], "--") == 0) {
-	    i++;
-	    break;
-	}
-        if (STRNCMP_LITERAL (argv[i], "--format=") == 0) {
-	    opt = argv[i] + sizeof ("--format=") - 1;
-	    if (strcmp (opt, "default") == 0) {
-		reply_format_func = notmuch_reply_format_default;
-	    } else if (strcmp (opt, "headers-only") == 0) {
-		reply_format_func = notmuch_reply_format_headers_only;
-	    } else {
-		fprintf (stderr, "Invalid value for --format: %s\n", opt);
-		return 1;
-	    }
+    if (format == FORMAT_HEADERS_ONLY)
+	reply_format_func = notmuch_reply_format_headers_only;
+    else
+	reply_format_func = notmuch_reply_format_default;
+
+    if (decrypt) {
+	GMimeSession* session = g_object_new (g_mime_session_get_type(), NULL);
+	params.cryptoctx = g_mime_gpg_context_new (session, "gpg");
+	if (params.cryptoctx) {
+	    g_mime_gpg_context_set_always_trust ((GMimeGpgContext*) params.cryptoctx, FALSE);
+	    params.decrypt = TRUE;
 	} else {
-	    fprintf (stderr, "Unrecognized option: %s\n", argv[i]);
-	    return 1;
+	    fprintf (stderr, "Failed to construct gpg context.\n");
 	}
+	g_object_unref (session);
     }
 
-    argc -= i;
-    argv += i;
-
     config = notmuch_config_open (ctx, NULL, NULL);
     if (config == NULL)
 	return 1;
 
-    query_string = query_string_from_args (ctx, argc, argv);
+    query_string = query_string_from_args (ctx, argc-opt_index, argv+opt_index);
     if (query_string == NULL) {
 	fprintf (stderr, "Out of memory\n");
 	return 1;
@@ -559,11 +725,14 @@ notmuch_reply_command (void *ctx, int argc, char *argv[])
 	return 1;
     }
 
-    if (reply_format_func (ctx, config, query) != 0)
+    if (reply_format_func (ctx, config, query, &params, reply_all) != 0)
 	return 1;
 
     notmuch_query_destroy (query);
     notmuch_database_close (notmuch);
 
+    if (params.cryptoctx)
+	g_object_unref(params.cryptoctx);
+
     return ret;
 }