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implemented remote proxy dns lookup via use of reserved ip ranges and a lookup table

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rofl0r
2011-11-06 14:12:50 +01:00
parent d30b0a8712
commit 5de7fa20c8
3 changed files with 476 additions and 336 deletions
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90
src/core.h
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@ -5,6 +5,7 @@
copyright : netcreature (C) 2002
email : netcreature@users.sourceforge.net
***************************************************************************/
#include <stdint.h>
/* GPL */
/***************************************************************************
* *
@ -19,31 +20,66 @@
#define BUFF_SIZE 8*1024 // used to read responses from proxies.
#define MAX_LOCALNET 1024
typedef union {
unsigned char octet[4];
uint32_t as_int;
} ip_type;
typedef struct {
uint32_t hash;
char* string;
} string_hash_tuple;
typedef struct {
uint32_t counter;
uint32_t capa;
string_hash_tuple** list;
} internal_ip_lookup_table;
extern internal_ip_lookup_table internal_ips;
/*error codes*/
typedef enum
{
SUCCESS=0,
MEMORY_FAIL, // malloc failed
SOCKET_ERROR, // look errno for more
CHAIN_DOWN, // no proxy in chain responds to tcp
CHAIN_EMPTY, // if proxy_count = 0
BLOCKED // target's port blocked on last proxy in the chain
typedef enum {
SUCCESS=0,
MEMORY_FAIL, // malloc failed
SOCKET_ERROR, // look errno for more
CHAIN_DOWN, // no proxy in chain responds to tcp
CHAIN_EMPTY, // if proxy_count = 0
BLOCKED // target's port blocked on last proxy in the chain
} ERR_CODE;
typedef enum {HTTP_TYPE,SOCKS4_TYPE,SOCKS5_TYPE} proxy_type;
typedef enum {DYNAMIC_TYPE,STRICT_TYPE,RANDOM_TYPE} chain_type;
typedef enum {PLAY_STATE,DOWN_STATE,BLOCKED_STATE,BUSY_STATE} proxy_state;
typedef enum {RANDOMLY,FIFOLY} select_type;
typedef enum {
HTTP_TYPE,
SOCKS4_TYPE,
SOCKS5_TYPE
} proxy_type;
typedef struct
{
typedef enum {
DYNAMIC_TYPE,
STRICT_TYPE,
RANDOM_TYPE}
chain_type;
typedef enum {
PLAY_STATE,
DOWN_STATE,
BLOCKED_STATE,
BUSY_STATE
} proxy_state;
typedef enum {
RANDOMLY,
FIFOLY
} select_type;
typedef struct {
struct in_addr in_addr, netmask;
unsigned short port;
} localaddr_arg;
typedef struct {
unsigned int ip;
ip_type ip;
unsigned short port;
proxy_type pt;
proxy_state ps;
@ -53,21 +89,21 @@ typedef struct {
typedef struct {
proxy_data *pd;
chain_type ct;
unsigned int proxy_count;
int sock;
struct sockaddr addr;
int flags;
chain_type ct;
unsigned int proxy_count;
int sock;
struct sockaddr addr;
int flags;
} thread_arg;
int connect_proxy_chain (
int sock,
unsigned int target_ip,
unsigned short target_port,
proxy_data * pd,
unsigned int proxy_count,
chain_type ct,
unsigned int max_chain );
int sock,
ip_type target_ip,
unsigned short target_port,
proxy_data * pd,
unsigned int proxy_count,
chain_type ct,
unsigned int max_chain );
int proxychains_write_log(char *str,...);
struct hostent* proxy_gethostbyname(const char *name);