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Fix stalling issue with OpenSSL and Jabber
From http://bugs.bitlbee.org/bitlbee/changeset/devel%2C359
$NetBSD: patch-ad,v 1.1 2008/04/20 09:29:45 tonio Exp $
--- lib/ssl_openssl.c.orig Sat Jun 30 23:18:42 2007
+++ lib/ssl_openssl.c
@@ -61,16 +61,16 @@ void *ssl_connect( char *host, int port,
struct scd *conn = g_new0( struct scd, 1 );
conn->fd = proxy_connect( host, port, ssl_connected, conn );
- conn->func = func;
- conn->data = data;
- conn->inpa = -1;
-
if( conn->fd < 0 )
{
g_free( conn );
return NULL;
}
+ conn->func = func;
+ conn->data = data;
+ conn->inpa = -1;
+
return conn;
}
@@ -228,6 +228,21 @@ int ssl_write( void *conn, const char *b
}
return st;
+}
+
+/* Only OpenSSL *really* needs this (and well, maybe NSS). See for more info:
+ http://www.gnu.org/software/gnutls/manual/gnutls.html#index-gnutls_005frecord_005fcheck_005fpending-209
+ http://www.openssl.org/docs/ssl/SSL_pending.html
+
+ Required because OpenSSL empties the TCP buffer completely but doesn't
+ necessarily give us all the unencrypted data.
+
+ Returns 0 if there's nothing left or if we don't have to care (GnuTLS),
+ 1 if there's more data. */
+int ssl_pending( void *conn )
+{
+ return ( ((struct scd*)conn) && ((struct scd*)conn)->established ) ?
+ SSL_pending( ((struct scd*)conn)->ssl ) > 0 : 0;
}
void ssl_disconnect( void *conn_ )
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