From: Niels Provos <provos@gmail.com>
Date: Mon, 28 May 2007 21:21:59 +0000 (+0000)
Subject: allow DNS server to get access to the IP address for the requestor; from tor cvs... 
X-Git-Tag: release-2.0.1-alpha~619
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f0d0559c3e01bc378c3cb960013fc34245128291;p=libevent

allow DNS server to get access to the IP address for the requestor; from tor cvs via Nick Mathewson


svn:r362
---

diff --git a/evdns.c b/evdns.c
index 63dd1265..068dc7df 100644
--- a/evdns.c
+++ b/evdns.c
@@ -1788,6 +1788,17 @@ evdns_server_request_drop(struct evdns_server_request *_req)
 	return 0;
 }
 
+// exported function
+int
+evdns_server_request_get_requesting_addr(struct evdns_server_request *_req, struct sockaddr *sa, int addr_len)
+{
+	struct server_request *req = TO_SERVER_REQUEST(_req);
+	if (addr_len < (int)req->addrlen)
+		return -1;
+	memcpy(sa, &(req->addr), req->addrlen);
+	return req->addrlen;
+}
+
 #undef APPEND16
 #undef APPEND32
 
diff --git a/evdns.h b/evdns.h
index 0c4547c8..3411daea 100644
--- a/evdns.h
+++ b/evdns.h
@@ -361,5 +361,7 @@ int evdns_server_request_add_cname_reply(struct evdns_server_request *req, const
 
 int evdns_server_request_respond(struct evdns_server_request *req, int err);
 int evdns_server_request_drop(struct evdns_server_request *req);
+struct sockaddr;
+int evdns_server_request_get_requesting_addr(struct evdns_server_request *_req, struct sockaddr *sa, int addr_len);
 
 #endif  // !EVENTDNS_H