Imported Upstream version 2.3_rc1

1 files changed, 0 insertions, 550 deletions

diff --git a/openvpn.h b/openvpn.h
deleted file mode 100644
index 641bf93..0000000
--- a/openvpn.h
+++ /dev/null
@@ -1,550 +0,0 @@
-/*
- *  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 OPENVPN_H
-#define OPENVPN_H
-
-#include "buffer.h"
-#include "options.h"
-#include "socket.h"
-#include "crypto.h"
-#include "ssl.h"
-#include "packet_id.h"
-#include "lzo.h"
-#include "tun.h"
-#include "interval.h"
-#include "status.h"
-#include "fragment.h"
-#include "shaper.h"
-#include "route.h"
-#include "proxy.h"
-#include "socks.h"
-#include "sig.h"
-#include "misc.h"
-#include "mbuf.h"
-#include "pool.h"
-#include "plugin.h"
-#include "manage.h"
-#include "pf.h"
-
-/*
- * Our global key schedules, packaged thusly
- * to facilitate --persist-key.
- */
-
-struct key_schedule
-{
-#ifdef USE_CRYPTO
-  /* which cipher, HMAC digest, and key sizes are we using? */
-  struct key_type key_type;
-
-  /* pre-shared static key, read from a file */
-  struct key_ctx_bi static_key;
-
-#ifdef USE_SSL
-  /* our global SSL context */
-  SSL_CTX *ssl_ctx;
-
-  /* optional authentication HMAC key for TLS control channel */
-  struct key_ctx_bi tls_auth_key;
-
-#endif				/* USE_SSL */
-#else				/* USE_CRYPTO */
-  int dummy;
-#endif				/* USE_CRYPTO */
-};
-
-/*
- * struct packet_id_persist should be empty if we are not
- * building with crypto.
- */
-#ifndef PACKET_ID_H
-struct packet_id_persist
-{
-  int dummy;
-};
-static inline void
-packet_id_persist_init (struct packet_id_persist *p)
-{
-}
-#endif
-
-/*
- * Packet processing buffers.
- */
-struct context_buffers
-{
-  /* miscellaneous buffer, used by ping, occ, etc. */
-  struct buffer aux_buf;
-
-  /* workspace buffers used by crypto routines */
-#ifdef USE_CRYPTO
-  struct buffer encrypt_buf;
-  struct buffer decrypt_buf;
-#endif
-
-  /* workspace buffers for LZO compression */
-#ifdef USE_LZO
-  struct buffer lzo_compress_buf;
-  struct buffer lzo_decompress_buf;
-#endif
-
-  /*
-   * Buffers used to read from TUN device
-   * and TCP/UDP port.
-   */
-  struct buffer read_link_buf;
-  struct buffer read_tun_buf;
-};
-
-/*
- * always-persistent context variables
- */
-struct context_persist
-{
-  int restart_sleep_seconds;
-};
-
-/* 
- * level 0 context contains data related to
- * once-per OpenVPN instantiation events
- * such as daemonization.
- */
-struct context_0
-{
-  /* workspace for get_pid_file/write_pid */
-  struct pid_state pid_state;
-
-  /* workspace for --user/--group */
-  bool uid_gid_specified;
-  bool uid_gid_set;
-  struct user_state user_state;
-  struct group_state group_state;
-};
-
-/*
- * Contains the persist-across-restart OpenVPN tunnel instance state.
- * Reset only for SIGHUP restarts.
- */
-struct context_1
-{
-  /* local and remote addresses */
-  struct link_socket_addr link_socket_addr;
-
-  /* tunnel session keys */
-  struct key_schedule ks;
-
-  /* persist crypto sequence number to/from file */
-  struct packet_id_persist pid_persist;
-
-  /* TUN/TAP interface */
-  struct tuntap *tuntap;
-  bool tuntap_owned;
-
-  /* list of --route directives */
-  struct route_list *route_list;
-
-  /* --status file */
-  struct status_output *status_output;
-  bool status_output_owned;
-
-#ifdef ENABLE_HTTP_PROXY
-  /* HTTP proxy object */
-  struct http_proxy_info *http_proxy;
-  bool http_proxy_owned;
-#endif
-
-#ifdef ENABLE_SOCKS
-  /* SOCKS proxy object */
-  struct socks_proxy_info *socks_proxy;
-  bool socks_proxy_owned;
-#endif
-
-#if P2MP
-
-#if P2MP_SERVER
-  /* persist --ifconfig-pool db to file */
-  struct ifconfig_pool_persist *ifconfig_pool_persist;
-  bool ifconfig_pool_persist_owned;
-#endif
-
-  /* if client mode, hash of option strings we pulled from server */
-  struct md5_digest pulled_options_digest_save;
-
-  /* save user/pass for authentication */
-  struct user_pass *auth_user_pass;
-#endif
-};
-
-/*
- * Contains the OpenVPN tunnel instance state, wiped across
- * SIGUSR1 and SIGHUP restarts.
- */
-struct context_2
-{
-  /* garbage collection arena for context_2 scope */
-  struct gc_arena gc;
-
-  /* our global wait events */
-  struct event_set *event_set;
-  int event_set_max;
-  bool event_set_owned;
-
-  /* event flags returned by io_wait */
-# define SOCKET_READ       (1<<0)
-# define SOCKET_WRITE      (1<<1)
-# define TUN_READ          (1<<2)
-# define TUN_WRITE         (1<<3)
-# define ES_ERROR          (1<<4)
-# define ES_TIMEOUT        (1<<5)
-# ifdef ENABLE_MANAGEMENT
-#  define MANAGEMENT_READ  (1<<6)
-#  define MANAGEMENT_WRITE (1<<7)
-# endif
-
-  unsigned int event_set_status;
-
-  struct link_socket *link_socket;	 /* socket used for TCP/UDP connection to remote */
-  bool link_socket_owned;
-  struct link_socket_info *link_socket_info;
-  const struct link_socket *accept_from; /* possibly do accept() on a parent link_socket */
-
-  struct link_socket_actual *to_link_addr;	/* IP address of remote */
-  struct link_socket_actual from;               /* address of incoming datagram */
-
-  /* MTU frame parameters */
-  struct frame frame;
-
-#ifdef ENABLE_FRAGMENT
-  /* Object to handle advanced MTU negotiation and datagram fragmentation */
-  struct fragment_master *fragment;
-  struct frame frame_fragment;
-  struct frame frame_fragment_omit;
-#endif
-
-#ifdef HAVE_GETTIMEOFDAY
-  /*
-   * Traffic shaper object.
-   */
-  struct shaper shaper;
-#endif
-
-  /*
-   * Statistics
-   */
-  counter_type tun_read_bytes;
-  counter_type tun_write_bytes;
-  counter_type link_read_bytes;
-  counter_type link_read_bytes_auth;
-  counter_type link_write_bytes;
-#ifdef PACKET_TRUNCATION_CHECK
-  counter_type n_trunc_tun_read;
-  counter_type n_trunc_tun_write;
-  counter_type n_trunc_pre_encrypt;
-  counter_type n_trunc_post_decrypt;
-#endif
-
-  /*
-   * Timer objects for ping and inactivity
-   * timeout features.
-   */
-  struct event_timeout wait_for_connect;
-  struct event_timeout ping_send_interval;
-  struct event_timeout ping_rec_interval;
-
-  /* --inactive */
-  struct event_timeout inactivity_interval;
-  int inactivity_bytes;
-
-#ifdef ENABLE_OCC
-  /* the option strings must match across peers */
-  char *options_string_local;
-  char *options_string_remote;
-
-  int occ_op;			/* INIT to -1 */
-  int occ_n_tries;
-  struct event_timeout occ_interval;
-#endif
-
-  /*
-   * Keep track of maximum packet size received so far
-   * (of authenticated packets).
-   */
-  int original_recv_size;	/* temporary */
-  int max_recv_size_local;	/* max packet size received */
-  int max_recv_size_remote;	/* max packet size received by remote */
-  int max_send_size_local;	/* max packet size sent */
-  int max_send_size_remote;	/* max packet size sent by remote */
-
-#ifdef ENABLE_OCC
-  /* remote wants us to send back a load test packet of this size */
-  int occ_mtu_load_size;
-
-  struct event_timeout occ_mtu_load_test_interval;
-  int occ_mtu_load_n_tries;
-#endif
-
-#ifdef USE_CRYPTO
-
-  /*
-   * TLS-mode crypto objects.
-   */
-#ifdef USE_SSL
-
-  /* master OpenVPN SSL/TLS object */
-  struct tls_multi *tls_multi;
-
-  /* check --tls-auth signature without needing
-     a full-size tls_multi object */
-  struct tls_auth_standalone *tls_auth_standalone;
-
-  /* used to optimize calls to tls_multi_process */
-  struct interval tmp_int;
-
-  /* throw this signal on TLS errors */
-  int tls_exit_signal;
-
-#endif /* USE_SSL */
-
-  /* passed to encrypt or decrypt, contains all
-     crypto-related command line options related
-     to data channel encryption/decryption */
-  struct crypto_options crypto_options;
-
-  /* used to keep track of data channel packet sequence numbers */
-  struct packet_id packet_id;
-  struct event_timeout packet_id_persist_interval;
-
-#endif /* USE_CRYPTO */
-
-  /*
-   * LZO compression library workspace.
-   */
-#ifdef USE_LZO
-  struct lzo_compress_workspace lzo_compwork;
-#endif
-
-  /*
-   * Buffers used for packet processing.
-   */
-  struct context_buffers *buffers;
-  bool buffers_owned; /* if true, we should free all buffers on close */
-
-  /*
-   * These buffers don't actually allocate storage, they are used
-   * as pointers to the allocated buffers in
-   * struct context_buffers.
-   */
-  struct buffer buf;
-  struct buffer to_tun;
-  struct buffer to_link;
-
-  /*
-   * IPv4 TUN device?
-   */
-  bool ipv4_tun;
-
-  /* should we print R|W|r|w to console on packet transfers? */
-  bool log_rw;
-
-  /* route stuff */
-  struct event_timeout route_wakeup;
-  struct event_timeout route_wakeup_expire;
-
-  /* did we open tun/tap dev during this cycle? */
-  bool did_open_tun;
-
-  /*
-   * Event loop info
-   */
-
-  /* how long to wait on link/tun read before we will need to be serviced */
-  struct timeval timeval;
-
-  /* next wakeup for processing coarse timers (>1 sec resolution) */
-  time_t coarse_timer_wakeup;
-
-  /* maintain a random delta to add to timeouts to avoid contexts
-     waking up simultaneously */
-  time_t update_timeout_random_component;
-  struct timeval timeout_random_component;
-
-  /* indicates that the do_up_delay function has run */
-  bool do_up_ran;
-
-#ifdef ENABLE_OCC
-  /* indicates that we have received a SIGTERM when
-     options->explicit_exit_notification is enabled,
-     but we have not exited yet */
-  time_t explicit_exit_notification_time_wait;
-  struct event_timeout explicit_exit_notification_interval;
-#endif
-
-  /* environmental variables to pass to scripts */
-  struct env_set *es;
-  bool es_owned;
-
-  /* don't wait for TUN/TAP/UDP to be ready to accept write */
-  bool fast_io;
-
-#if P2MP
-
-#if P2MP_SERVER
-  /* --ifconfig endpoints to be pushed to client */
-  bool push_reply_deferred;
-  bool push_ifconfig_defined;
-  in_addr_t push_ifconfig_local;
-  in_addr_t push_ifconfig_remote_netmask;
-
-  /* client authentication state, CAS_SUCCEEDED must be 0 */
-# define CAS_SUCCEEDED 0
-# define CAS_PENDING   1
-# define CAS_FAILED    2
-# define CAS_PARTIAL   3 /* at least one client-connect script/plugin
-			    succeeded while a later one in the chain failed */
-  int context_auth;
-#endif
-
-  struct event_timeout push_request_interval;
-  bool did_pre_pull_restore;
-
-  /* hash of pulled options, so we can compare when options change */
-  struct md5_state pulled_options_state;
-  struct md5_digest pulled_options_digest;
-
-  struct event_timeout server_poll_interval;
-
-  struct event_timeout scheduled_exit;
-  int scheduled_exit_signal;
-#endif
-
-  /* packet filter */
-#ifdef ENABLE_PF
-  struct pf_context pf;
-#endif
-
-#ifdef MANAGEMENT_DEF_AUTH
-  struct man_def_auth_context mda_context;
-#endif
-};
-
-/*
- * Contains all state information for one tunnel.
- */
-struct context
-{
-  /* command line or config file options */
-  struct options options;
-
-  /* true on initial VPN iteration */
-  bool first_time;
-
-  /* context modes */
-# define CM_P2P            0 /* standalone point-to-point session or client */
-# define CM_TOP            1 /* top level of a multi-client or point-to-multipoint server */
-# define CM_TOP_CLONE      2 /* clone of a CM_TOP context for one thread */
-# define CM_CHILD_UDP      3 /* child context of a CM_TOP or CM_THREAD */
-# define CM_CHILD_TCP      4 /* child context of a CM_TOP or CM_THREAD */
-  int mode;
-
-  /* garbage collection for context scope
-     allocations */
-  struct gc_arena gc;
-
-  /* environmental variable settings */
-  struct env_set *es;
-
-  /* signal info */
-  struct signal_info *sig;
-
-  /* shared object plugins */
-  struct plugin_list *plugins;
-  bool plugins_owned;
-  
-  /* set to true after we daemonize */
-  bool did_we_daemonize;
-
-  /* persistent across SIGHUP */
-  struct context_persist persist;
-
-  /* level 0 context contains data related to
-     once-per OpenVPN instantiation events
-     such as daemonization */
-  struct context_0 *c0;
-
-  /* level 1 context is preserved for
-     SIGUSR1 restarts, but initialized
-     for SIGHUP restarts */
-  struct context_1 c1;
-
-  /* level 2 context is initialized for all
-     restarts (SIGUSR1 and SIGHUP) */
-  struct context_2 c2;
-};
-
-/*
- * Check for a signal when inside an event loop
- */
-#define EVENT_LOOP_CHECK_SIGNAL(c, func, arg)   \
-      if (IS_SIG (c))                           \
-	{                                       \
-	  const int brk = func (arg);           \
-	  perf_pop ();                          \
-	  if (brk)                              \
-	    break;                              \
-	  else                                  \
-	    continue;                           \
-	}
-
-/*
- * Macros for referencing objects which may not
- * have been compiled in.
- */
-
-#if defined(USE_CRYPTO) && defined(USE_SSL)
-#define TLS_MODE(c) ((c)->c2.tls_multi != NULL)
-#define PROTO_DUMP_FLAGS (check_debug_level (D_LINK_RW_VERBOSE) ? (PD_SHOW_DATA|PD_VERBOSE) : 0)
-#define PROTO_DUMP(buf, gc) protocol_dump((buf), \
-				      PROTO_DUMP_FLAGS | \
-				      (c->c2.tls_multi ? PD_TLS : 0) | \
-				      (c->options.tls_auth_file ? c->c1.ks.key_type.hmac_length : 0), \
-				      gc)
-#else
-#define TLS_MODE(c) (false)
-#define PROTO_DUMP(buf, gc) format_hex (BPTR (buf), BLEN (buf), 80, gc)
-#endif
-
-#ifdef USE_CRYPTO
-#define MD5SUM(buf, len, gc) md5sum((buf), (len), 0, (gc))
-#else
-#define MD5SUM(buf, len, gc) "[unavailable]"
-#endif
-
-#ifdef USE_CRYPTO
-#define CIPHER_ENABLED(c) (c->c1.ks.key_type.cipher != NULL)
-#else
-#define CIPHER_ENABLED(c) (false)
-#endif
-
-#endif