From e4f3e11a8e22db6fca08dba4290db39a2e1c0f4b Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 2 Nov 2017 10:52:53 +0100
Subject: [SERVER] Add --errormsg to only serve HTTP-JSON error code

This could have been an external tool, but this didn't add much code
and has the benefit of honoring the config file for port and bind address.
---
 src/server/rpc.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/server/rpc.c')

diff --git a/src/server/rpc.c b/src/server/rpc.c
index 92aa249..ff4b0ab 100644
--- a/src/server/rpc.c
+++ b/src/server/rpc.c
@@ -233,6 +233,19 @@ func_return:;
 	} while (0);
 }
 
+void rpc_sendErrorMessage(int sock, const char* message)
+{
+	static const char *encoded = NULL;
+	static size_t len;
+	if ( encoded == NULL ) {
+		json_t *tmp = json_pack( "{ss}", "errorMsg", message );
+		encoded = json_dumps( tmp, 0 );
+		json_decref( tmp );
+		len = strlen( encoded );
+	}
+	sendReply( sock, "200 Somewhat OK", "application/json", encoded, len, HTTP_CLOSE );
+}
+
 static bool handleStatus(int sock, int permissions, struct field *fields, size_t fields_num, int keepAlive)
 {
 	bool ok;
-- 
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