mirror of
https://github.com/rofl0r/proxychains-ng.git
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154 lines
3.8 KiB
C
154 lines
3.8 KiB
C
/***************************************************************************
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core.h - description
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-------------------
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begin : Tue May 14 2002
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copyright : netcreature (C) 2002
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email : netcreature@users.sourceforge.net
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***************************************************************************/
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#include <stdint.h>
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/* GPL */
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/***************************************************************************
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* *
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* This program 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 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef __CORE_HEADER
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#define __CORE_HEADER
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#define BUFF_SIZE 8*1024 // used to read responses from proxies.
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#define MAX_LOCALNET 1024
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typedef union {
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unsigned char octet[4];
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uint32_t as_int;
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} ip_type;
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typedef struct {
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uint32_t hash;
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char* string;
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} string_hash_tuple;
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typedef struct {
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uint32_t counter;
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uint32_t capa;
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string_hash_tuple** list;
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} internal_ip_lookup_table;
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extern internal_ip_lookup_table internal_ips;
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#ifdef THREAD_SAFE
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#include <pthread.h>
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extern pthread_mutex_t internal_ips_lock;
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#endif
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/*error codes*/
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typedef enum {
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SUCCESS=0,
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MEMORY_FAIL, // malloc failed
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SOCKET_ERROR, // look errno for more
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CHAIN_DOWN, // no proxy in chain responds to tcp
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CHAIN_EMPTY, // if proxy_count = 0
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BLOCKED // target's port blocked on last proxy in the chain
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} ERR_CODE;
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typedef enum {
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HTTP_TYPE,
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SOCKS4_TYPE,
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SOCKS5_TYPE
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} proxy_type;
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typedef enum {
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DYNAMIC_TYPE,
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STRICT_TYPE,
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RANDOM_TYPE}
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chain_type;
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typedef enum {
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PLAY_STATE,
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DOWN_STATE,
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BLOCKED_STATE,
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BUSY_STATE
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} proxy_state;
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typedef enum {
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RANDOMLY,
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FIFOLY
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} select_type;
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typedef struct {
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struct in_addr in_addr, netmask;
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unsigned short port;
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} localaddr_arg;
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typedef struct {
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ip_type ip;
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unsigned short port;
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proxy_type pt;
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proxy_state ps;
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char user[256];
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char pass[256];
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} proxy_data;
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typedef struct {
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proxy_data *pd;
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chain_type ct;
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unsigned int proxy_count;
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int sock;
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struct sockaddr addr;
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int flags;
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} thread_arg;
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int connect_proxy_chain (
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int sock,
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ip_type target_ip,
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unsigned short target_port,
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proxy_data * pd,
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unsigned int proxy_count,
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chain_type ct,
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unsigned int max_chain );
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int proxychains_write_log(char *str,...);
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struct hostent* proxy_gethostbyname(const char *name);
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typedef int (*connect_t)(int, const struct sockaddr *, socklen_t);
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connect_t true_connect;
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typedef struct hostent* (*gethostbyname_t)(const char *);
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gethostbyname_t true_gethostbyname;
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typedef int (*getaddrinfo_t)(const char *, const char *,
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const struct addrinfo *,
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struct addrinfo **);
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getaddrinfo_t true_getaddrinfo;
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typedef int (*freeaddrinfo_t)(struct addrinfo *);
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freeaddrinfo_t true_freeaddrinfo;
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typedef int (*getnameinfo_t) (const struct sockaddr *,
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socklen_t, char *,
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socklen_t, char *,
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socklen_t, unsigned int);
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getnameinfo_t true_getnameinfo;
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typedef struct hostent *(*gethostbyaddr_t) (const void *, socklen_t, int);
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gethostbyaddr_t true_gethostbyaddr;
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int proxy_getaddrinfo(const char *node, const char *service,
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const struct addrinfo *hints,
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struct addrinfo **res);
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struct hostent* proxy_gethostbyname(const char *name);
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void pc_stringfromipv4(unsigned char *ip_buf_4_bytes, char *outbuf_16_bytes);
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#ifdef DEBUG
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# define PDEBUG(fmt, args...) fprintf(stderr,"DEBUG:"fmt, ## args)
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#else
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# define PDEBUG(fmt, args...)
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#endif
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#endif
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