Allow to specify arbitrary notification recipients.

* src/wydawca.h (enum notification_target): New value notify_read,
meaning "read recipient addresses from the message headers".
* src/config.c (target_args): New values: "read" and "message".
(target_types): New value 'notify_read'.
* src/mail.c (mail_send_message): Handle NULL rcpt.
(do_notify): Handle notify_read.

1 files changed, 35 insertions, 22 deletions

diff --git a/src/mail.c b/src/mail.c
index a40e4b4..91ea502 100644
--- a/src/mail.c
+++ b/src/mail.c
@@ -64,22 +64,25 @@ mail_send_message (mu_address_t rcpt, const char *text)
   mu_message_get_header (msg, &hdr);
   mu_header_append (hdr, "X-Mailer", x_mailer);
 
-  mu_address_to_string (rcpt, NULL, 0, &size);
-  buf = xmalloc (size + 1);
-  mu_address_to_string (rcpt, buf, size + 1, NULL);
-
-  mu_header_set_value (hdr, "To", buf, 1);
-  free (buf);
-
-  if (from_address && mu_header_sget_value (hdr, "From", &sval))
+  if (rcpt)
     {
-      mu_address_to_string (from_address, NULL, 0, &size);
+      mu_address_to_string (rcpt, NULL, 0, &size);
       buf = xmalloc (size + 1);
-      mu_address_to_string (from_address, buf, size + 1, NULL);
-      mu_header_set_value (hdr, "From", buf, 1);
+      mu_address_to_string (rcpt, buf, size + 1, NULL);
+
+      mu_header_set_value (hdr, "To", buf, 1);
       free (buf);
-    }
 
+      if (from_address && mu_header_sget_value (hdr, "From", &sval))
+        {
+          mu_address_to_string (from_address, NULL, 0, &size);
+          buf = xmalloc (size + 1);
+          mu_address_to_string (from_address, buf, size + 1, NULL);
+          mu_header_set_value (hdr, "From", buf, 1);
+          free (buf);
+        }
+    }
+  
   if (debug_level > 1)
     {
       mu_debug_t debug;
@@ -365,6 +368,10 @@ do_notify (struct file_triplet *trp, enum notification_event ev,
   const char *errp;
   switch (ntf->tgt)
     {
+    case notify_read:
+      rcpt = NULL;
+      break;
+      
     case notify_admin:
       rcpt = mu_address_dup (admin_address);
       break;
@@ -378,7 +385,7 @@ do_notify (struct file_triplet *trp, enum notification_event ev,
                             trp, &errp);
     }
 
-  if (!rcpt)
+  if (!rcpt && ntf->tgt != notify_read)
     {
       logmsg (LOG_ERR, _("not notifying %s (project %s) about %s: %s"),
               notification_target_str (ntf->tgt),
@@ -389,16 +396,22 @@ do_notify (struct file_triplet *trp, enum notification_event ev,
 
   if (debug_level)
     {
-      size_t size;
-      char *buf;
-      mu_address_to_string (rcpt, NULL, 0, &size);
-      buf = xmalloc (size + 1);
-      mu_address_to_string (rcpt, buf, size + 1, NULL);
-      logmsg (LOG_DEBUG, _("notifying %s (project %s) about %s"),
-              buf, trp->project, notification_event_str (ev));
-      free (buf);
+      if (rcpt)
+        {
+          size_t size;
+          char *buf;
+          mu_address_to_string (rcpt, NULL, 0, &size);
+          buf = xmalloc (size + 1);
+          mu_address_to_string (rcpt, buf, size + 1, NULL);
+          logmsg (LOG_DEBUG, _("notifying %s (project %s) about %s"),
+                  buf, trp->project, notification_event_str (ev));
+          free (buf);
+        }
+      else
+        logmsg (LOG_DEBUG, _("notifying message recipients (project %s) about %s"),
+                trp->project, notification_event_str (ev));
     }
-
+  
   if (!dry_run_mode)
     {
       const char *msg = resolve_message_template (ntf->msg);