X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-reply.c;h=230cacc34fc539f1c1714ee83f0c86738a99ddbf;hp=6c15536cff153d3d00ebe4d8a300c6361a9ea536;hb=452fbedcd5db101378b01c957a7f0574eb708afc;hpb=4e5d2f22db290a830c0267f34b519c6138af00ed

diff --git a/notmuch-reply.c b/notmuch-reply.c
index 6c15536c..230cacc3 100644
--- a/notmuch-reply.c
+++ b/notmuch-reply.c
@@ -22,6 +22,7 @@
 
 #include "notmuch-client.h"
 #include "gmime-filter-reply.h"
+#include "gmime-filter-headers.h"
 
 static void
 reply_part_content (GMimeObject *part)
@@ -51,6 +52,25 @@ reply_part_content (GMimeObject *part)
 	g_object_unref(stream_stdout);
 }
 
+static void
+show_reply_headers (GMimeMessage *message)
+{
+    GMimeStream *stream_stdout = NULL, *stream_filter = NULL;
+
+    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 (stream_filter) {
+		g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
+					 g_mime_filter_headers_new());
+		g_mime_object_write_to_stream(GMIME_OBJECT(message), stream_filter);
+		g_object_unref(stream_filter);
+	}
+	g_object_unref(stream_stdout);
+    }
+}
+
 static void
 reply_part (GMimeObject *part, int *part_count)
 {
@@ -282,6 +302,68 @@ add_recipients_from_message (GMimeMessage *reply,
     return from_addr;
 }
 
+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;
+    char *domain=NULL;
+    char *tld=NULL;
+    const char *delim=". \t";
+    size_t i,other_len;
+
+    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
+	 */
+	mta = strdup (by+4);
+	if (mta == NULL)
+	    return NULL;
+	token = strtok(mta," \t");
+	if (token == NULL)
+	    return NULL;
+	/* Now extract the last two components of the MTA host name
+	 * as domain and tld
+	 */
+	while ((ptr = strsep (&token, delim)) != NULL) {
+	    if (*ptr == '\0')
+		continue;
+	    domain = tld;
+	    tld = ptr;
+	}
+
+	if (domain) {
+	    /* recombine domain and tld and look for it among the configured
+	     * email addresses
+	     */
+	    *(tld-1) = '.';
+	    primary = notmuch_config_get_user_primary_email (config);
+	    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);
+		    return other[i];
+		}
+	}
+
+	free (mta);
+    }
+
+    return NULL;
+}
+
 static int
 notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_t *query)
 {
@@ -290,7 +372,6 @@ notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_
     notmuch_message_t *message;
     const char *subject, *from_addr = NULL;
     const char *in_reply_to, *orig_references, *references;
-    char *reply_headers;
 
     for (messages = notmuch_query_search_messages (query);
 	 notmuch_messages_valid (messages);
@@ -306,13 +387,15 @@ 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);
 
 	from_addr = add_recipients_from_message (reply, config, message);
 
+	if (from_addr == NULL)
+	    from_addr = guess_from_received_header (config, message);
+
 	if (from_addr == NULL)
 	    from_addr = notmuch_config_get_user_primary_email (config);
 
@@ -339,9 +422,7 @@ notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_
 	g_mime_object_set_header (GMIME_OBJECT (reply),
 				  "References", references);
 
-	reply_headers = g_mime_object_to_string (GMIME_OBJECT (reply));
-	printf ("%s", reply_headers);
-	free (reply_headers);
+	show_reply_headers (reply);
 
 	g_object_unref (G_OBJECT (reply));
 	reply = NULL;