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62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*
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* Copyright (c) 2006-2014 Erik Ekman <yarrick@kryo.se>,
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* 2006-2009 Bjorn Andersson <flex@kryo.se>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __CLIENT_H__
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#define __CLIENT_H__
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#include "window.h"
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extern int debug;
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extern int stats;
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#define PENDING_QUERIES_LENGTH (MAX(windowsize_up, windowsize_down) * 3)
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struct query_tuple {
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int id; /* DNS query / response ID */
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struct timeval time; /* time sent or 0 if cleared */
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};
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void client_init();
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void client_stop();
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enum connection client_get_conn();
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const char *client_get_raw_addr();
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void client_rotate_nameserver();
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void client_set_nameservers(struct sockaddr_storage *, int);
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void client_set_topdomain(const char *cp);
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void client_set_password(const char *cp);
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int client_set_qtype(char *qtype);
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char *client_get_qtype();
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void client_set_downenc(char *encoding);
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void client_set_compression(int up, int down);
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void client_set_dnstimeout(double, double, double, int);
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void client_set_lazymode(int lazy_mode);
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void client_set_windowsize(size_t, size_t);
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void client_set_hostname_maxlen(size_t i);
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void client_set_interval(double, double);
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int client_handshake(int dns_fd, int raw_mode, int autodetect_frag_size, int fragsize);
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int client_tunnel(int tun_fd, int dns_fd);
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int parse_data(uint8_t *data, size_t len, fragment *f, int *immediate);
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int handshake_waitdns(int dns_fd, char *buf, size_t buflen, char cmd, int timeout);
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void handshake_switch_options(int dns_fd, int lazy, int compression, char denc);
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int send_ping(int fd, int ping_response, int ack, int timeout);
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#endif
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