doveadm-save: Check stream errno before save

This is to ensure the file has been really opened.

diff --git a/src/doveadm/doveadm-mail-save.c b/src/doveadm/doveadm-mail-save.c
index 6208e8b988d5a7dbfcf8848ac5755c7a7efcb115..66f3a5071c2c63fe17747146c726cfd967ba3e27 100644 (file)
--- a/src/doveadm/doveadm-mail-save.c
+++ b/src/doveadm/doveadm-mail-save.c
@@ -20,6 +20,13 @@ cmd_save_to_mailbox(struct save_cmd_context *ctx, struct mailbox *box,
        ssize_t ret;
        bool save_failed = FALSE;
 
+       if (input->stream_errno != 0) {
+               i_error("open(%s) failed: %s",
+                       i_stream_get_name(input),
+                       i_stream_get_error(input));
+               return -1;
+       }
+
        if (mailbox_open(box) < 0) {
                i_error("Failed to open mailbox %s: %s",
                        mailbox_get_vname(box), mailbox_get_last_error(box, NULL));