2002-06-25 Marcus Brinkmann <marcus@g10code.de>

* engine-gpgsm.c (_gpgme_gpgsm_op_export): Only export the keys
	listed in RECP.
	* export.c (gpgme_op_export): If no data was returned, return
	GPGME_No_Recipients.

gpgme/ChangeLog

@@ -1,3 +1,10 @@
+2002-06-25  Marcus Brinkmann  <marcus@g10code.de>
+
+	* engine-gpgsm.c (_gpgme_gpgsm_op_export): Only export the keys
+	listed in RECP.
+	* export.c (gpgme_op_export): If no data was returned, return
+	GPGME_No_Recipients.
+
 2002-06-25  Marcus Brinkmann  <marcus@g10code.de>
 
 	* engine-gpgsm.c (_gpgme_gpgsm_op_export): Implement.

gpgme/engine-gpgsm.c

@@ -759,14 +759,52 @@ GpgmeError
 _gpgme_gpgsm_op_export (GpgsmObject gpgsm, GpgmeRecipients recp,
 			GpgmeData keydata, int use_armor)
 {
-  GpgmeError err;
+  GpgmeError err = 0;
+  char *cmd = NULL;
+  int cmdi;
+  int cmdlen = 32;
 
   if (!gpgsm)
     return mk_error (Invalid_Value);
 
-  gpgsm->command = xtrystrdup ("EXPORT");
+  cmd = malloc (cmdlen);
-  if (!gpgsm->command)
+  if (!cmd)
     return mk_error (Out_Of_Core);
+  strcpy (cmd, "EXPORT");
+  cmdi = 6;
+
+  if (recp)
+    {
+      void *ec;
+      const char *s;
+
+      err = gpgme_recipients_enum_open (recp, &ec);
+      while (!err && (s = gpgme_recipients_enum_read (recp, &ec)))
+	{
+	  int slen = strlen (s);
+	  /* New string is old string + ' ' + s + '\0'.  */
+	  if (cmdlen < cmdi + 1 + slen + 1)
+	    {
+	      char *newcmd = xtryrealloc (cmd, cmdlen * 2);
+	      if (!newcmd)
+		{
+		  xfree (cmd);
+		  return mk_error (Out_Of_Core);
+		}
+	      cmd = newcmd;
+	      cmdlen *= 2;
+	    }
+	  cmd[cmdi++] = ' ';
+	  strcpy (cmd + cmdi, s);
+	  cmdi += slen;
+	}
+      if (!err)
+	err = gpgme_recipients_enum_close (recp, &ec);
+      if (err)
+	return err;
+    }
+
+  gpgsm->command = cmd;
 
   gpgsm->output_cb.data = keydata;
   err = gpgsm_set_fd (gpgsm->assuan_ctx, "OUTPUT", gpgsm->output_fd_server,

gpgme/export.c

@@ -99,6 +99,12 @@ gpgme_op_export (GpgmeCtx ctx, GpgmeRecipients recipients, GpgmeData keydata)
 {
   GpgmeError err = _gpgme_op_export_start (ctx, 1, recipients, keydata);
   if (!err)
-    err = _gpgme_wait_one (ctx);
+    {
+      err = _gpgme_wait_one (ctx);
+      /* XXX We don't get status information.  */
+      if (!ctx->error && gpgme_data_get_type (keydata) == GPGME_DATA_TYPE_NONE)
+	ctx->error = mk_error (No_Recipients);
+      err = ctx->error;
+    }
   return err;
 }