imapc: Don't crash if we receive tagged BAD reply.

diff --git a/src/lib-imap-client/imapc-connection.c b/src/lib-imap-client/imapc-connection.c
index 244279f2720e711656716eef26c388650315d107..ff7dea43f3e305a49614c8de2fdc3345ea02f391 100644 (file)
--- a/src/lib-imap-client/imapc-connection.c
+++ b/src/lib-imap-client/imapc-connection.c
@@ -951,12 +951,13 @@ static int imapc_connection_input_tagged(struct imapc_connection *conn)
        unsigned int i, count;
        char *line, *linep;
        const char *p;
-       struct imap_parser *parser;
        struct imapc_command_reply reply;
 
        line = i_stream_next_line(conn->input);
        if (line == NULL)
                return 0;
+       /* make sure reply texts stays valid if input stream gets freed */
+       line = t_strdup_noconst(line);
 
        memset(&reply, 0, sizeof(reply));
 
@@ -1033,12 +1034,7 @@ static int imapc_connection_input_tagged(struct imapc_connection *conn)
        }
 
        imapc_connection_input_reset(conn);
-
-       parser = conn->parser;
-       imap_parser_ref(parser);
        imapc_command_reply_free(cmd, &reply);
-       imap_parser_unref(&parser);
-
        imapc_command_send_more(conn);
        return 1;
 }