--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/auth/auth-stream.c	Mon Aug 08 12:20:16 2005 +0300
@@ -0,0 +1,74 @@
+/* Copyright (C) 2005 Timo Sirainen */
+
+#include "common.h"
+#include "str.h"
+#include "ostream.h"
+#include "auth-request.h"
+#include "auth-stream.h"
+
+struct auth_stream_reply {
+	string_t *str;
+};
+
+struct auth_stream_reply *auth_stream_reply_init(struct auth_request *request)
+{
+	struct auth_stream_reply *reply;
+
+	reply = p_new(request->pool, struct auth_stream_reply, 1);
+	reply->str = str_new(request->pool, 256);
+	return reply;
+}
+
+void auth_stream_reply_add(struct auth_stream_reply *reply,
+			   const char *key, const char *value)
+{
+	if (str_len(reply->str) > 0)
+		str_append_c(reply->str, '\t');
+	if (key != NULL) {
+		i_assert(strchr(key, '\t') == NULL &&
+			 strchr(key, '\n') == NULL);
+
+		str_append(reply->str, key);
+		if (value != NULL)
+			str_append_c(reply->str, '=');
+	}
+	if (value != NULL) {
+		/* escape dangerous characters in the value */
+		for (; *value != '\0'; value++) {
+			switch (*value) {
+			case '\001':
+				str_append_c(reply->str, '\001');
+				str_append_c(reply->str, '1');
+				break;
+			case '\t':
+				str_append_c(reply->str, '\001');
+				str_append_c(reply->str, 't');
+				break;
+			case '\n':
+				str_append_c(reply->str, '\001');
+				str_append_c(reply->str, 'n');
+				break;
+			default:
+				str_append_c(reply->str, *value);
+				break;
+			}
+		}
+	}
+}
+
+void auth_stream_reply_reset(struct auth_stream_reply *reply)
+{
+	str_truncate(reply->str, 0);
+}
+
+void auth_stream_reply_import(struct auth_stream_reply *reply, const char *str)
+{
+	if (str_len(reply->str) > 0)
+		str_append_c(reply->str, '\t');
+	str_append(reply->str, str);
+}
+
+const char *auth_stream_reply_export(struct auth_stream_reply *reply)
+{
+	return str_c(reply->str);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/auth/auth-stream.h	Mon Aug 08 12:20:16 2005 +0300
@@ -0,0 +1,14 @@
+#ifndef __AUTH_STREAM_H
+#define __AUTH_STREAM_H
+
+struct auth_request;
+
+struct auth_stream_reply *auth_stream_reply_init(struct auth_request *request);
+void auth_stream_reply_add(struct auth_stream_reply *reply,
+			   const char *key, const char *value);
+void auth_stream_reply_reset(struct auth_stream_reply *reply);
+
+void auth_stream_reply_import(struct auth_stream_reply *reply, const char *str);
+const char *auth_stream_reply_export(struct auth_stream_reply *reply);
+
+#endif