circlecloud/proxychains-ng
1
0
Fork 0
mirror of https://github.com/rofl0r/proxychains-ng.git synced 2024-12-30 17:10:09 +00:00
Code Issues Projects Releases Wiki Activity

added port support for localnet

Browse Source
This commit is contained in:
Jianing Yang 2011-03-22 22:04:52 +08:00
parent bb2d076fab
commit a6681ca7a1
3 changed files with 44 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
proxychains/core.h
View File

@ -38,6 +38,7 @@ typedef enum {RANDOMLY,FIFOLY} select_type;
typedef struct
{
struct in_addr in_addr, netmask;
unsigned short port;
} localaddr_arg;
typedef struct

41
proxychains/libproxychains.c
View File

@ -148,7 +148,8 @@ static inline void get_chain_data(
int count=0,port_n=0,list=0;
char buff[1024],type[1024],host[1024],user[1024];
char local_in_addr[16], local_netmask[16];
char local_in_addr_port[32];
char local_in_addr[32], local_in_port[32], local_netmask[32];
FILE* file;
if(proxychains_got_chain_data)
@ -206,8 +207,23 @@ static inline void get_chain_data(
}
else if(strstr(buff,"localnet"))
{
sscanf(buff,"%s %16[^/] %16s", user, local_in_addr, local_netmask) ;
PDEBUG("added localnet = %s%s\n", local_in_addr, local_netmask);
if (sscanf(buff,"%s %21[^/]/%15s", user,
local_in_addr_port, local_netmask) < 3) {
fprintf(stderr, "localnet format error");
exit(1);
}
/* clean previously used buffer */
memset(local_in_port, 0,
sizeof(local_in_port) / sizeof(local_in_port[0]));
if (sscanf(local_in_addr_port, "%15[^:]:%5s",
local_in_addr, local_in_port) < 2) {
PDEBUG("added localnet: netaddr=%s, port=%s\n",
local_in_addr, local_netmask);
} else {
PDEBUG("added localnet: netaddr=%s, port=%s, netmask=%s\n",
local_in_addr, local_in_port, local_netmask);
}
if (num_localnet_addr < MAX_LOCALNET)
{
int error;
@ -217,12 +233,17 @@ static inline void get_chain_data(
fprintf(stderr, "localnet address error\n");
exit(1);
}
error = inet_pton(AF_INET, local_netmask + 1, &localnet_addr[num_localnet_addr].netmask);
error = inet_pton(AF_INET, local_netmask, &localnet_addr[num_localnet_addr].netmask);
if (error <= 0)
{
fprintf(stderr, "localnet address error\n");
fprintf(stderr, "localnet netmask error\n");
exit(1);
}
if (local_in_port[0]) {
localnet_addr[num_localnet_addr].port = (short)atoi(local_in_port);
} else {
localnet_addr[num_localnet_addr].port = 0;
}
++num_localnet_addr;
}
else
@ -255,6 +276,7 @@ int connect (int sock, const struct sockaddr *addr, unsigned int len)
int socktype=0,optlen=0,flags=0,ret=0;
char str[256];
struct in_addr *p_addr_in;
unsigned short port;
size_t i;
if(!init_l)
@ -265,17 +287,20 @@ int connect (int sock, const struct sockaddr *addr, unsigned int len)
return true_connect(sock,addr,len);
p_addr_in = &((struct sockaddr_in *)addr)->sin_addr;
port = ntohs(((struct sockaddr_in *)addr)->sin_port);
//PDEBUG("localnet: %s; ", inet_ntop(AF_INET,&in_addr_localnet, str, sizeof(str)));
//PDEBUG("netmask: %s; " , inet_ntop(AF_INET, &in_addr_netmask, str, sizeof(str)));
//PDEBUG("target: %s\n", inet_ntop(AF_INET, p_addr_in, str, sizeof(str)));
//PDEBUG("port: %d\n", port);
for (i = 0; i < num_localnet_addr; i++) {
if ((localnet_addr[i].in_addr.s_addr & localnet_addr[i].netmask.s_addr)
== (p_addr_in->s_addr & localnet_addr[i].netmask.s_addr))
{
PDEBUG("accessing localnet using true_connect\n");
return true_connect(sock,addr,len);
if (localnet_addr[i].port && localnet_addr[i].port == port) {
PDEBUG("accessing localnet using true_connect\n");
return true_connect(sock,addr,len);
}
}
}

10
proxychains/proxychains.conf
View File

@ -41,6 +41,16 @@ proxy_dns
tcp_read_time_out 15000
tcp_connect_time_out 8000
# Example for localnet exclusion
## Exclude connections to 192.168.1.0/24 with port 80
# localnet 192.168.1.0:80/255.255.255.0
## Exclude connections to 192.168.100.0/24
# localnet 192.168.100.0/255.255.255.0
## Exclude connections to ANYwhere with port 80
# localnet 0.0.0.0:80/0.0.0.0
# ProxyList format
# type host port [user pass]
# (values separated by 'tab' or 'blank')