X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=webcit%2Flocate_host.c;fp=webcit%2Flocate_host.c;h=d015f53f54ab1e6df2e7186a0f346ef2e5e297a5;hb=8611acef7ff4213c28ad20ff755d34509870bc96;hp=0000000000000000000000000000000000000000;hpb=76a0f8571de023fe6bd20390174a2302e0a0b982;p=citadel.git

diff --git a/webcit/locate_host.c b/webcit/locate_host.c
new file mode 100644
index 000000000..d015f53f5
--- /dev/null
+++ b/webcit/locate_host.c
@@ -0,0 +1,31 @@
+/*
+ * Given a socket, supply the name of the host at the other end.
+ *
+ * Copyright (c) 1996-2012 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "webcit.h"
+#include "webserver.h"
+
+/*
+ * IPv4/IPv6 locate_host()
+ */
+void locate_host(StrBuf *tbuf, int client_socket)
+{
+	struct sockaddr_in6 clientaddr;
+	unsigned int addrlen = sizeof(clientaddr);
+	char clienthost[NI_MAXHOST] = "";
+
+	getpeername(client_socket, (struct sockaddr *)&clientaddr, &addrlen);
+	getnameinfo((struct sockaddr *)&clientaddr, addrlen, clienthost, sizeof(clienthost), NULL, 0, 0);
+        StrBufAppendBufPlain(tbuf, clienthost, -1, 0);
+	syslog(LOG_DEBUG, "Client is at %s\n", clienthost);
+}