mirror of
https://github.com/rofl0r/proxychains-ng.git
synced 2024-10-31 17:18:47 +00:00
133 lines
2.7 KiB
C
133 lines
2.7 KiB
C
#include "common.h"
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
|
|
const char *proxy_type_strmap[] = {
|
|
"http",
|
|
"socks4",
|
|
"socks5",
|
|
};
|
|
|
|
const char *chain_type_strmap[] = {
|
|
"dynamic_chain",
|
|
"strict_chain",
|
|
"random_chain",
|
|
"round_robin_chain",
|
|
};
|
|
|
|
const char *proxy_state_strmap[] = {
|
|
"play",
|
|
"down",
|
|
"blocked",
|
|
"busy",
|
|
};
|
|
|
|
/* isnumericipv4() taken from libulz */
|
|
int pc_isnumericipv4(const char* ipstring) {
|
|
size_t x = 0, n = 0, d = 0;
|
|
int wasdot = 0;
|
|
while(1) {
|
|
switch(ipstring[x]) {
|
|
case 0: goto done;
|
|
case '.':
|
|
if(!n || wasdot) return 0;
|
|
d++;
|
|
wasdot = 1;
|
|
break;
|
|
case '0': case '1': case '2': case '3': case '4':
|
|
case '5': case '6': case '7': case '8': case '9':
|
|
n++;
|
|
wasdot = 0;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
x++;
|
|
}
|
|
done:
|
|
if(d == 3 && n >= 4 && n <= 12) return 1;
|
|
return 0;
|
|
}
|
|
|
|
// stolen from libulz (C) rofl0r
|
|
void pc_stringfromipv4(unsigned char *ip_buf_4_bytes, char *outbuf_16_bytes) {
|
|
unsigned char *p;
|
|
char *o = outbuf_16_bytes;
|
|
unsigned char n;
|
|
for(p = ip_buf_4_bytes; p < ip_buf_4_bytes + 4; p++) {
|
|
n = *p;
|
|
if(*p >= 100) {
|
|
if(*p >= 200)
|
|
*(o++) = '2';
|
|
else
|
|
*(o++) = '1';
|
|
n %= 100;
|
|
}
|
|
if(*p >= 10) {
|
|
*(o++) = (n / 10) + '0';
|
|
n %= 10;
|
|
}
|
|
*(o++) = n + '0';
|
|
*(o++) = '.';
|
|
}
|
|
o[-1] = 0;
|
|
}
|
|
|
|
static int check_path(char *path) {
|
|
if(!path)
|
|
return 0;
|
|
return access(path, R_OK) != -1;
|
|
}
|
|
|
|
char *get_config_path(char* default_path, char* pbuf, size_t bufsize) {
|
|
char buf[512];
|
|
// top priority: user defined path
|
|
char *path = default_path;
|
|
if(check_path(path))
|
|
goto have;
|
|
|
|
// priority 1: env var PROXYCHAINS_CONF_FILE
|
|
path = getenv(PROXYCHAINS_CONF_FILE_ENV_VAR);
|
|
if(check_path(path))
|
|
goto have;
|
|
|
|
// priority 2; proxychains conf in actual dir
|
|
path = getcwd(buf, sizeof(buf));
|
|
snprintf(pbuf, bufsize, "%s/%s", path, PROXYCHAINS_CONF_FILE);
|
|
path = pbuf;
|
|
if(check_path(path))
|
|
goto have;
|
|
|
|
// priority 3; $HOME/.proxychains/proxychains.conf
|
|
path = getenv("HOME");
|
|
snprintf(pbuf, bufsize, "%s/.proxychains/%s", path, PROXYCHAINS_CONF_FILE);
|
|
path = pbuf;
|
|
if(check_path(path))
|
|
goto have;
|
|
|
|
// priority 3b: ~/config/settings/proxychains.conf (for haiku)
|
|
path = getenv("HOME");
|
|
snprintf(pbuf, bufsize, "%s/config/settings/%s", path, PROXYCHAINS_CONF_FILE);
|
|
path = pbuf;
|
|
if(check_path(path))
|
|
goto have;
|
|
|
|
// priority 4: $SYSCONFDIR/proxychains.conf
|
|
path = SYSCONFDIR "/" PROXYCHAINS_CONF_FILE;
|
|
if(check_path(path))
|
|
goto have;
|
|
|
|
// priority 5: /etc/proxychains.conf
|
|
path = "/etc/" PROXYCHAINS_CONF_FILE;
|
|
if(check_path(path))
|
|
goto have;
|
|
|
|
perror("couldnt find configuration file");
|
|
exit(1);
|
|
|
|
return NULL;
|
|
have:
|
|
return path;
|
|
}
|