4290cb6691
errors with multiple IPs on same subnet (bnc#757327) + Added bind-to-local-hostname.patch OBS-URL: https://build.opensuse.org/package/show/network:ha-clustering:Factory/csync2?expand=0&rev=19
39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
Index: csync2-1.34/conn.c
|
|
===================================================================
|
|
--- csync2-1.34.orig/conn.c
|
|
+++ csync2-1.34/conn.c
|
|
@@ -50,7 +50,9 @@ SSL *conn_ssl;
|
|
int conn_open(const char *peername)
|
|
{
|
|
struct sockaddr_in sin;
|
|
+ struct sockaddr_in sme;
|
|
struct hostent *hp;
|
|
+ struct hostent *me;
|
|
int on = 1;
|
|
|
|
hp = gethostbyname(peername);
|
|
@@ -69,6 +71,23 @@ int conn_open(const char *peername)
|
|
bcopy(hp->h_addr, &sin.sin_addr, hp->h_length);
|
|
sin.sin_port = htons(csync_port);
|
|
|
|
+ /* Try to bind to IP address of local hostname, else in cases where
|
|
+ * there's multiple local IPs on the same subnet, we might autobind
|
|
+ * to the wrong one, and the remote csync2 instance will fail because
|
|
+ * it verifies the expected hostname against the initiating IP.
|
|
+ * If the explicit bind fails for some reason though, we'll still
|
|
+ * try to connect (it might work, and it can't hurt...).
|
|
+ */
|
|
+ me = gethostbyname(myhostname);
|
|
+ if (me) {
|
|
+ sme.sin_family = me->h_addrtype;
|
|
+ bcopy(me->h_addr, &sme.sin_addr, me->h_length);
|
|
+ sme.sin_port = 0; /* random port */
|
|
+ if (bind(conn_fd_in, (struct sockaddr *)&sme, sizeof(sme)) < 0) {
|
|
+ csync_debug(1, "Can't bind local socket (attempting connect anyway).\n");
|
|
+ }
|
|
+ }
|
|
+
|
|
if (connect(conn_fd_in, (struct sockaddr *)&sin, sizeof (sin)) < 0) {
|
|
csync_debug(1, "Can't connect to remote host.\n");
|
|
close(conn_fd_in); conn_fd_in = -1;
|