115 lines
5.7 KiB
C
115 lines
5.7 KiB
C
/*
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* Copyright (C) 2003-2018 Sébastien Helleu <flashcode@flashtux.org>
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* Copyright (C) 2012 Simon Arlott
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*
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* This file is part of WeeChat, the extensible chat client.
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*
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* WeeChat is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* WeeChat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef WEECHAT_HOOK_CONNECT_H
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#define WEECHAT_HOOK_CONNECT_H
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#ifdef HAVE_GNUTLS
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#include <gnutls/gnutls.h>
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#endif
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struct t_weechat_plugin;
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struct t_infolist_item;
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#define HOOK_CONNECT(hook, var) (((struct t_hook_connect *)hook->hook_data)->var)
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/* used if socketpair() function is NOT available */
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#define HOOK_CONNECT_MAX_SOCKETS 4
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typedef int (t_hook_callback_connect)(const void *pointer, void *data,
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int status, int gnutls_rc, int sock,
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const char *error,
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const char *ip_address);
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#ifdef HAVE_GNUTLS
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typedef int (gnutls_callback_t)(const void *pointer, void *data,
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gnutls_session_t tls_session,
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const gnutls_datum_t *req_ca, int nreq,
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const gnutls_pk_algorithm_t *pk_algos,
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int pk_algos_len,
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#if LIBGNUTLS_VERSION_NUMBER >= 0x020b00 /* 2.11.0 */
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gnutls_retr2_st *answer,
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#else
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gnutls_retr_st *answer,
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#endif /* LIBGNUTLS_VERSION_NUMBER >= 0x020b00 */
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int action);
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#endif /* HAVE_GNUTLS */
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struct t_hook_connect
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{
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t_hook_callback_connect *callback; /* connect callback */
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char *proxy; /* proxy (optional) */
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char *address; /* peer address */
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int port; /* peer port */
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int ipv6; /* use IPv6 */
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int sock; /* socket (set when connected) */
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int retry; /* retry count */
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#ifdef HAVE_GNUTLS
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gnutls_session_t *gnutls_sess; /* GnuTLS session (SSL connection) */
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gnutls_callback_t *gnutls_cb; /* GnuTLS callback during handshake */
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int gnutls_dhkey_size; /* Diffie Hellman Key Exchange size */
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char *gnutls_priorities; /* GnuTLS priorities */
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#endif /* HAVE_GNUTLS */
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char *local_hostname; /* force local hostname (optional) */
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int child_read; /* to read data in pipe from child */
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int child_write; /* to write data in pipe for child */
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int child_recv; /* to read data from child socket */
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int child_send; /* to write data to child socket */
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pid_t child_pid; /* pid of child process (connecting) */
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struct t_hook *hook_child_timer; /* timer for child process timeout */
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struct t_hook *hook_fd; /* pointer to fd hook */
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struct t_hook *handshake_hook_fd; /* fd hook for handshake */
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struct t_hook *handshake_hook_timer; /* timer for handshake timeout */
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int handshake_fd_flags; /* socket flags saved for handshake */
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char *handshake_ip_address; /* ip address (used for handshake) */
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/* sockets used if socketpair() is NOT available */
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int sock_v4[HOOK_CONNECT_MAX_SOCKETS]; /* IPv4 sockets for connecting */
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int sock_v6[HOOK_CONNECT_MAX_SOCKETS]; /* IPv6 sockets for connecting */
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};
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extern struct t_hook *hook_connect (struct t_weechat_plugin *plugin,
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const char *proxy, const char *address,
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int port, int ipv6, int retry,
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void *gnutls_session, void *gnutls_cb,
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int gnutls_dhkey_size,
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const char *gnutls_priorities,
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const char *local_hostname,
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t_hook_callback_connect *callback,
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const void *callback_pointer,
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void *callback_data);
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#ifdef HAVE_GNUTLS
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extern int hook_connect_gnutls_verify_certificates (gnutls_session_t tls_session);
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extern int hook_connect_gnutls_set_certificates (gnutls_session_t tls_session,
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const gnutls_datum_t *req_ca, int nreq,
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const gnutls_pk_algorithm_t *pk_algos,
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int pk_algos_len,
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#if LIBGNUTLS_VERSION_NUMBER >= 0x020b00 /* 2.11.0 */
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gnutls_retr2_st *answer);
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#else
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gnutls_retr_st *answer);
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#endif /* LIBGNUTLS_VERSION_NUMBER >= 0x020b00 */
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#endif /* HAVE_GNUTLS */
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extern void hook_connect_free_data (struct t_hook *hook);
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extern int hook_connect_add_to_infolist (struct t_infolist_item *item,
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struct t_hook *hook);
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extern void hook_connect_print_log (struct t_hook *hook);
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#endif /* WEECHAT_HOOK_CONNECT_H */
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