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Diffstat (limited to 'src/openvpn/forward-inline.h')
-rw-r--r-- | src/openvpn/forward-inline.h | 341 |
1 files changed, 0 insertions, 341 deletions
diff --git a/src/openvpn/forward-inline.h b/src/openvpn/forward-inline.h deleted file mode 100644 index 7d06b4e..0000000 --- a/src/openvpn/forward-inline.h +++ /dev/null @@ -1,341 +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) 2002-2018 OpenVPN 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; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef FORWARD_INLINE_H -#define FORWARD_INLINE_H - -/* - * Inline functions - */ - -/* - * Does TLS session need service? - */ -static inline void -check_tls(struct context *c) -{ -#if defined(ENABLE_CRYPTO) - void check_tls_dowork(struct context *c); - - if (c->c2.tls_multi) - { - check_tls_dowork(c); - } -#endif -} - -/* - * TLS errors are fatal in TCP mode. - * Also check for --tls-exit trigger. - */ -static inline void -check_tls_errors(struct context *c) -{ -#if defined(ENABLE_CRYPTO) - void check_tls_errors_co(struct context *c); - - void check_tls_errors_nco(struct context *c); - - if (c->c2.tls_multi && c->c2.tls_exit_signal) - { - if (link_socket_connection_oriented(c->c2.link_socket)) - { - if (c->c2.tls_multi->n_soft_errors) - { - check_tls_errors_co(c); - } - } - else - { - if (c->c2.tls_multi->n_hard_errors) - { - check_tls_errors_nco(c); - } - } - } -#endif /* if defined(ENABLE_CRYPTO) */ -} - -/* - * Check for possible incoming configuration - * messages on the control channel. - */ -static inline void -check_incoming_control_channel(struct context *c) -{ -#if P2MP - void check_incoming_control_channel_dowork(struct context *c); - - if (tls_test_payload_len(c->c2.tls_multi) > 0) - { - check_incoming_control_channel_dowork(c); - } -#endif -} - -/* - * Options like --up-delay need to be triggered by this function which - * checks for connection establishment. - */ -static inline void -check_connection_established(struct context *c) -{ - void check_connection_established_dowork(struct context *c); - - if (event_timeout_defined(&c->c2.wait_for_connect)) - { - check_connection_established_dowork(c); - } -} - -/* - * Should we add routes? - */ -static inline void -check_add_routes(struct context *c) -{ - void check_add_routes_dowork(struct context *c); - - if (event_timeout_trigger(&c->c2.route_wakeup, &c->c2.timeval, ETT_DEFAULT)) - { - check_add_routes_dowork(c); - } -} - -/* - * Should we exit due to inactivity timeout? - */ -static inline void -check_inactivity_timeout(struct context *c) -{ - void check_inactivity_timeout_dowork(struct context *c); - - if (c->options.inactivity_timeout - && event_timeout_trigger(&c->c2.inactivity_interval, &c->c2.timeval, ETT_DEFAULT)) - { - check_inactivity_timeout_dowork(c); - } -} - -#if P2MP - -static inline void -check_server_poll_timeout(struct context *c) -{ - void check_server_poll_timeout_dowork(struct context *c); - - if (c->options.ce.connect_timeout - && event_timeout_trigger(&c->c2.server_poll_interval, &c->c2.timeval, ETT_DEFAULT)) - { - check_server_poll_timeout_dowork(c); - } -} - -/* - * Scheduled exit? - */ -static inline void -check_scheduled_exit(struct context *c) -{ - void check_scheduled_exit_dowork(struct context *c); - - if (event_timeout_defined(&c->c2.scheduled_exit)) - { - if (event_timeout_trigger(&c->c2.scheduled_exit, &c->c2.timeval, ETT_DEFAULT)) - { - check_scheduled_exit_dowork(c); - } - } -} -#endif /* if P2MP */ - -/* - * Should we write timer-triggered status file. - */ -static inline void -check_status_file(struct context *c) -{ - void check_status_file_dowork(struct context *c); - - if (c->c1.status_output) - { - if (status_trigger_tv(c->c1.status_output, &c->c2.timeval)) - { - check_status_file_dowork(c); - } - } -} - -#ifdef ENABLE_FRAGMENT -/* - * Should we deliver a datagram fragment to remote? - */ -static inline void -check_fragment(struct context *c) -{ - void check_fragment_dowork(struct context *c); - - if (c->c2.fragment) - { - check_fragment_dowork(c); - } -} -#endif - -#if P2MP - -/* - * see if we should send a push_request in response to --pull - */ -static inline void -check_push_request(struct context *c) -{ - void check_push_request_dowork(struct context *c); - - if (event_timeout_trigger(&c->c2.push_request_interval, &c->c2.timeval, ETT_DEFAULT)) - { - check_push_request_dowork(c); - } -} - -#endif - -#ifdef ENABLE_CRYPTO -/* - * Should we persist our anti-replay packet ID state to disk? - */ -static inline void -check_packet_id_persist_flush(struct context *c) -{ - if (packet_id_persist_enabled(&c->c1.pid_persist) - && event_timeout_trigger(&c->c2.packet_id_persist_interval, &c->c2.timeval, ETT_DEFAULT)) - { - packet_id_persist_save(&c->c1.pid_persist); - } -} -#endif - -/* - * Set our wakeup to 0 seconds, so we will be rescheduled - * immediately. - */ -static inline void -context_immediate_reschedule(struct context *c) -{ - c->c2.timeval.tv_sec = 0; /* ZERO-TIMEOUT */ - c->c2.timeval.tv_usec = 0; -} - -static inline void -context_reschedule_sec(struct context *c, int sec) -{ - if (sec < 0) - { - sec = 0; - } - if (sec < c->c2.timeval.tv_sec) - { - c->c2.timeval.tv_sec = sec; - c->c2.timeval.tv_usec = 0; - } -} - -static inline struct link_socket_info * -get_link_socket_info(struct context *c) -{ - if (c->c2.link_socket_info) - { - return c->c2.link_socket_info; - } - else - { - return &c->c2.link_socket->info; - } -} - -static inline void -register_activity(struct context *c, const int size) -{ - if (c->options.inactivity_timeout) - { - c->c2.inactivity_bytes += size; - if (c->c2.inactivity_bytes >= c->options.inactivity_minimum_bytes) - { - c->c2.inactivity_bytes = 0; - event_timeout_reset(&c->c2.inactivity_interval); - } - } -} - -/* - * Return the io_wait() flags appropriate for - * a point-to-point tunnel. - */ -static inline unsigned int -p2p_iow_flags(const struct context *c) -{ - unsigned int flags = (IOW_SHAPER|IOW_CHECK_RESIDUAL|IOW_FRAG|IOW_READ|IOW_WAIT_SIGNAL); - if (c->c2.to_link.len > 0) - { - flags |= IOW_TO_LINK; - } - if (c->c2.to_tun.len > 0) - { - flags |= IOW_TO_TUN; - } - return flags; -} - -/* - * This is the core I/O wait function, used for all I/O waits except - * for TCP in server mode. - */ -static inline void -io_wait(struct context *c, const unsigned int flags) -{ - void io_wait_dowork(struct context *c, const unsigned int flags); - - if (c->c2.fast_io && (flags & (IOW_TO_TUN|IOW_TO_LINK|IOW_MBUF))) - { - /* fast path -- only for TUN/TAP/UDP writes */ - unsigned int ret = 0; - if (flags & IOW_TO_TUN) - { - ret |= TUN_WRITE; - } - if (flags & (IOW_TO_LINK|IOW_MBUF)) - { - ret |= SOCKET_WRITE; - } - c->c2.event_set_status = ret; - } - else - { - /* slow path */ - io_wait_dowork(c, flags); - } -} - -#define CONNECTION_ESTABLISHED(c) (get_link_socket_info(c)->connection_established) - -#endif /* EVENT_INLINE_H */ |