Imported Upstream version 2.2.1upstream/2.2.1

1 files changed, 114 insertions, 0 deletions

diff --git a/proxy.h b/proxy.h
new file mode 100644
index 0000000..d89aa4a
--- /dev/null
+++ b/proxy.h
@@ -0,0 +1,114 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single TCP/UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef PROXY_H
+#define PROXY_H
+
+#include "buffer.h"
+#include "misc.h"
+
+#ifdef GENERAL_PROXY_SUPPORT
+
+/*
+ * Return value for get_proxy_settings to automatically
+ * determine proxy information.
+ */
+struct auto_proxy_info_entry {
+  char *server;
+  int port;
+};
+
+struct auto_proxy_info {
+  struct auto_proxy_info_entry http;
+  struct auto_proxy_info_entry socks;
+};
+
+struct auto_proxy_info *get_proxy_settings (char **err, struct gc_arena *gc);
+
+#ifdef WIN32
+void show_win_proxy_settings (const int msglevel);
+#endif /* WIN32 */
+
+#endif /* GENERAL_PROXY_SUPPORT */
+
+#ifdef ENABLE_HTTP_PROXY
+
+/* HTTP CONNECT authentication methods */
+#define HTTP_AUTH_NONE   0
+#define HTTP_AUTH_BASIC  1
+#define HTTP_AUTH_DIGEST 2
+#define HTTP_AUTH_NTLM   3
+#define HTTP_AUTH_NTLM2  4
+#define HTTP_AUTH_N      5 /* number of HTTP_AUTH methods */
+
+struct http_proxy_options {
+  const char *server;
+  int port;
+  bool retry;
+  int timeout;
+
+# define PAR_NO  0  /* don't support any auth retries */
+# define PAR_ALL 1  /* allow all proxy auth protocols */
+# define PAR_NCT 2  /* disable cleartext proxy auth protocols */
+  int auth_retry;
+
+  const char *auth_method_string;
+  const char *auth_file;
+  const char *http_version;
+  const char *user_agent;
+};
+
+struct http_proxy_options_simple {
+  const char *server;
+  int port;
+  int auth_retry;
+};
+
+struct http_proxy_info {
+  bool defined;
+  int auth_method;
+  struct http_proxy_options options;
+  struct user_pass up;
+  char *proxy_authenticate;
+  bool queried_creds;
+};
+
+struct http_proxy_info *http_proxy_new (const struct http_proxy_options *o,
+					struct auto_proxy_info *auto_proxy_info);
+
+void http_proxy_close (struct http_proxy_info *hp);
+
+bool establish_http_proxy_passthru (struct http_proxy_info *p,
+				    socket_descriptor_t sd, /* already open to proxy */
+				    const char *host,       /* openvpn server remote */
+				    const int port,         /* openvpn server port */
+				    struct buffer *lookahead,
+				    volatile int *signal_received);
+
+uint8_t *make_base64_string2 (const uint8_t *str, int str_len, struct gc_arena *gc);
+uint8_t *make_base64_string (const uint8_t *str, struct gc_arena *gc);
+
+#endif /* ENABLE_HTTP_PROXY */
+
+#endif /* PROXY_H */