mirror of
https://github.com/hufrea/byedpi.git
synced 2024-11-29 03:38:55 +03:00
959 lines
25 KiB
C
959 lines
25 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <getopt.h>
|
|
#include <limits.h>
|
|
|
|
#include "params.h"
|
|
#include "proxy.h"
|
|
#include "packets.h"
|
|
#include "error.h"
|
|
|
|
#ifndef _WIN32
|
|
#include <arpa/inet.h>
|
|
#include <unistd.h>
|
|
#include <netdb.h>
|
|
#include <fcntl.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
#include <sys/socket.h>
|
|
#else
|
|
#include <ws2tcpip.h>
|
|
#include "win_service.h"
|
|
#define close(fd) closesocket(fd)
|
|
#endif
|
|
|
|
#define VERSION "14.1"
|
|
|
|
char ip_option[1] = "\0";
|
|
|
|
struct packet fake_tls = {
|
|
sizeof(tls_data), tls_data
|
|
},
|
|
fake_http = {
|
|
sizeof(http_data), http_data
|
|
},
|
|
fake_udp = {
|
|
sizeof(udp_data), udp_data
|
|
};
|
|
|
|
|
|
struct params params = {
|
|
.sfdelay = 3,
|
|
.wait_send = 1,
|
|
|
|
.cache_ttl = 100800,
|
|
.ipv6 = 1,
|
|
.resolve = 1,
|
|
.udp = 1,
|
|
.max_open = 512,
|
|
.bfsize = 16384,
|
|
.baddr = {
|
|
.sin6_family = AF_INET6
|
|
},
|
|
.laddr = {
|
|
.sin6_family = AF_INET
|
|
},
|
|
.repeats = 1,
|
|
.debug = 0,
|
|
.auto_level = AUTO_NOBUFF
|
|
};
|
|
|
|
|
|
const char help_text[] = {
|
|
" -i, --ip, <ip> Listening IP, default 0.0.0.0\n"
|
|
" -p, --port <num> Listening port, default 1080\n"
|
|
#ifdef __linux__
|
|
" -E, --transparent Transparent proxy mode\n"
|
|
#endif
|
|
" -c, --max-conn <count> Connection count limit, default 512\n"
|
|
" -N, --no-domain Deny domain resolving\n"
|
|
" -U, --no-udp Deny UDP association\n"
|
|
" -I --conn-ip <ip> Connection binded IP, default ::\n"
|
|
" -b, --buf-size <size> Buffer size, default 16384\n"
|
|
" -x, --debug <level> Print logs, 0, 1 or 2\n"
|
|
" -g, --def-ttl <num> TTL for all outgoing connections\n"
|
|
// desync options
|
|
#ifdef TCP_FASTOPEN_CONNECT
|
|
" -F, --tfo Enable TCP Fast Open\n"
|
|
#endif
|
|
" -A, --auto <t,r,s,n> Try desync params after this option\n"
|
|
" Detect: torst,redirect,ssl_err,none\n"
|
|
" -L, --auto-mode <0|1> 1 - handle trigger after several packets\n"
|
|
" -u, --cache-ttl <sec> Lifetime of cached desync params for IP\n"
|
|
" -R, --repeats <num> Number of requests to which desync will be applied\n"
|
|
#ifdef TIMEOUT_SUPPORT
|
|
" -T, --timeout <sec> Timeout waiting for response, after which trigger auto\n"
|
|
#endif
|
|
" -K, --proto <t,h,u> Protocol whitelist: tls,http,udp\n"
|
|
" -H, --hosts <file|:str> Hosts whitelist, filename or :string\n"
|
|
" -V, --pf <port[-portr]> Ports range whitelist\n"
|
|
" -s, --split <pos_t> Position format: offset[:repeats:skip][+flag1[flag2]]\n"
|
|
" Flags: +s - SNI offset, +h - HTTP host offset\n"
|
|
" Additional flags: +e - end, +m - middle, +r - random\n"
|
|
" -d, --disorder <pos_t> Split and send reverse order\n"
|
|
" -o, --oob <pos_t> Split and send as OOB data\n"
|
|
" -q, --disoob <pos_t> Split and send reverse order as OOB data\n"
|
|
#ifdef FAKE_SUPPORT
|
|
" -f, --fake <pos_t> Split and send fake packet\n"
|
|
" -t, --ttl <num> TTL of fake packets, default 8\n"
|
|
#ifdef __linux__
|
|
" -k, --ip-opt[=f|:str] IP options of fake packets\n"
|
|
" -S, --md5sig Add MD5 Signature option for fake packets\n"
|
|
#endif
|
|
" -O, --fake-offset <n> Fake data start offset\n"
|
|
" -l, --fake-data <f|:str> Set custom fake packet\n"
|
|
" -n, --tls-sni <str> Change SNI in fake ClientHello\n"
|
|
#endif
|
|
" -e, --oob-data <char> Set custom OOB data\n"
|
|
" -M, --mod-http <h,d,r> Modify HTTP: hcsmix,dcsmix,rmspace\n"
|
|
" -r, --tlsrec <pos_t> Make TLS record at position\n"
|
|
" -a, --udp-fake <count> UDP fakes count, default 0\n"
|
|
#ifdef __linux__
|
|
" -Y, --drop-sack Drop packets with SACK extension\n"
|
|
#endif
|
|
};
|
|
|
|
|
|
const struct option options[] = {
|
|
{"no-domain", 0, 0, 'N'},
|
|
{"no-ipv6", 0, 0, 'X'},
|
|
{"no-udp", 0, 0, 'U'},
|
|
{"help", 0, 0, 'h'},
|
|
{"version", 0, 0, 'v'},
|
|
{"ip", 1, 0, 'i'},
|
|
{"port", 1, 0, 'p'},
|
|
#ifdef __linux__
|
|
{"transparent", 0, 0, 'E'},
|
|
#endif
|
|
{"conn-ip", 1, 0, 'I'},
|
|
{"buf-size", 1, 0, 'b'},
|
|
{"max-conn", 1, 0, 'c'},
|
|
{"debug", 1, 0, 'x'},
|
|
|
|
#ifdef TCP_FASTOPEN_CONNECT
|
|
{"tfo ", 0, 0, 'F'},
|
|
#endif
|
|
{"auto", 1, 0, 'A'},
|
|
{"auto-mode", 1, 0, 'L'},
|
|
{"repeats", 1, 0, 'R'},
|
|
{"cache-ttl", 1, 0, 'u'},
|
|
#ifdef TIMEOUT_SUPPORT
|
|
{"timeout", 1, 0, 'T'},
|
|
#endif
|
|
{"proto", 1, 0, 'K'},
|
|
{"hosts", 1, 0, 'H'},
|
|
{"pf", 1, 0, 'V'},
|
|
{"split", 1, 0, 's'},
|
|
{"disorder", 1, 0, 'd'},
|
|
{"oob", 1, 0, 'o'},
|
|
{"disoob", 1, 0, 'q'},
|
|
#ifdef FAKE_SUPPORT
|
|
{"fake", 1, 0, 'f'},
|
|
{"ttl", 1, 0, 't'},
|
|
#ifdef __linux__
|
|
{"ip-opt", 2, 0, 'k'},
|
|
{"md5sig", 0, 0, 'S'},
|
|
#endif
|
|
{"fake-data", 1, 0, 'l'},
|
|
{"tls-sni", 1, 0, 'n'},
|
|
{"fake-offset", 1, 0, 'O'},
|
|
#endif
|
|
{"oob-data", 1, 0, 'e'},
|
|
{"mod-http", 1, 0, 'M'},
|
|
{"tlsrec", 1, 0, 'r'},
|
|
{"udp-fake", 1, 0, 'a'},
|
|
{"def-ttl", 1, 0, 'g'},
|
|
{"delay", 1, 0, 'w'}, //
|
|
{"not-wait-send", 0, 0, 'W'}, //
|
|
#ifdef __linux__
|
|
{"drop-sack", 0, 0, 'Y'},
|
|
{"protect-path", 1, 0, 'P'}, //
|
|
#endif
|
|
{0}
|
|
};
|
|
|
|
|
|
size_t parse_cform(char *buffer, size_t blen,
|
|
const char *str, size_t slen)
|
|
{
|
|
static char esca[] = {
|
|
'r','\r','n','\n','t','\t','\\','\\',
|
|
'f','\f','b','\b','v','\v','a','\a', 0
|
|
};
|
|
ssize_t i = 0, p = 0;
|
|
for (; p < slen && i < blen; ++p && ++i) {
|
|
if (str[p] != '\\') {
|
|
buffer[i] = str[p];
|
|
continue;
|
|
}
|
|
p++;
|
|
char *e = esca;
|
|
for (; *e; e += 2) {
|
|
if (*e == str[p]) {
|
|
buffer[i] = *(e + 1);
|
|
break;
|
|
}
|
|
}
|
|
if (*e) {
|
|
continue;
|
|
}
|
|
int n = 0;
|
|
if (sscanf(&str[p], "x%2hhx%n", &buffer[i], &n) == 1
|
|
|| sscanf(&str[p], "%3hho%n", &buffer[i], &n) == 1) {
|
|
p += (n - 1);
|
|
continue;
|
|
}
|
|
i--; p--;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
|
|
char *data_from_str(const char *str, ssize_t *size)
|
|
{
|
|
ssize_t len = strlen(str);
|
|
if (len == 0) {
|
|
return 0;
|
|
}
|
|
char *d = malloc(len);
|
|
if (!d) {
|
|
return 0;
|
|
}
|
|
size_t i = parse_cform(d, len, str, len);
|
|
|
|
char *m = len != i ? realloc(d, i) : 0;
|
|
if (i == 0) {
|
|
return 0;
|
|
}
|
|
*size = i;
|
|
return m ? m : d;
|
|
}
|
|
|
|
|
|
char *ftob(const char *str, ssize_t *sl)
|
|
{
|
|
if (*str == ':') {
|
|
return data_from_str(str + 1, sl);
|
|
}
|
|
char *buffer = 0;
|
|
long size;
|
|
|
|
FILE *file = fopen(str, "rb");
|
|
if (!file) {
|
|
return 0;
|
|
}
|
|
do {
|
|
if (fseek(file, 0, SEEK_END)) {
|
|
break;
|
|
}
|
|
size = ftell(file);
|
|
if (size <= 0) {
|
|
break;
|
|
}
|
|
if (fseek(file, 0, SEEK_SET)) {
|
|
break;
|
|
}
|
|
if (!(buffer = malloc(size))) {
|
|
break;
|
|
}
|
|
if (fread(buffer, 1, size, file) != size) {
|
|
free(buffer);
|
|
buffer = 0;
|
|
}
|
|
} while (0);
|
|
if (buffer) {
|
|
*sl = size;
|
|
}
|
|
fclose(file);
|
|
return buffer;
|
|
}
|
|
|
|
|
|
static inline int lower_char(char *cl)
|
|
{
|
|
char c = *cl;
|
|
if (c < 'A') {
|
|
if (c > '9' || c < '-')
|
|
return -1;
|
|
}
|
|
else if (c < 'a') {
|
|
if (c > 'Z')
|
|
return -1;
|
|
*cl = c + 32;
|
|
}
|
|
else if (c > 'z')
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
struct mphdr *parse_hosts(char *buffer, size_t size)
|
|
{
|
|
struct mphdr *hdr = mem_pool(1);
|
|
if (!hdr) {
|
|
return 0;
|
|
}
|
|
size_t num = 0;
|
|
char *end = buffer + size;
|
|
char *e = buffer, *s = buffer;
|
|
|
|
for (; e <= end; e++) {
|
|
if (e != end && *e != ' ' && *e != '\n' && *e != '\r') {
|
|
if (lower_char(e)) {
|
|
LOG(LOG_E, "invalid host: num: %zd (%.*s)\n", num + 1, (int )(e - s + 1), s);
|
|
}
|
|
continue;
|
|
}
|
|
if (s == e) {
|
|
s++;
|
|
continue;
|
|
}
|
|
if (mem_add(hdr, s, e - s) == 0) {
|
|
free(hdr);
|
|
return 0;
|
|
}
|
|
num++;
|
|
s = e + 1;
|
|
}
|
|
return hdr;
|
|
}
|
|
|
|
|
|
int get_addr(const char *str, struct sockaddr_ina *addr)
|
|
{
|
|
struct addrinfo hints = {0}, *res = 0;
|
|
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_family = AF_UNSPEC;
|
|
hints.ai_flags = AI_NUMERICHOST;
|
|
|
|
if (getaddrinfo(str, 0, &hints, &res) || !res) {
|
|
return -1;
|
|
}
|
|
|
|
if (res->ai_addr->sa_family == AF_INET6)
|
|
addr->in6.sin6_addr = (
|
|
(struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
|
|
else
|
|
addr->in.sin_addr = (
|
|
(struct sockaddr_in *)res->ai_addr)->sin_addr;
|
|
addr->sa.sa_family = res->ai_addr->sa_family;
|
|
|
|
freeaddrinfo(res);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int get_default_ttl()
|
|
{
|
|
int orig_ttl = -1, fd;
|
|
socklen_t tsize = sizeof(orig_ttl);
|
|
|
|
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
|
|
uniperror("socket");
|
|
return -1;
|
|
}
|
|
if (getsockopt(fd, IPPROTO_IP, IP_TTL,
|
|
(char *)&orig_ttl, &tsize) < 0) {
|
|
uniperror("getsockopt IP_TTL");
|
|
}
|
|
close(fd);
|
|
return orig_ttl;
|
|
}
|
|
|
|
|
|
bool ipv6_support()
|
|
{
|
|
int fd = socket(AF_INET6, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
return 0;
|
|
}
|
|
close(fd);
|
|
return 1;
|
|
}
|
|
|
|
|
|
int parse_offset(struct part *part, const char *str)
|
|
{
|
|
char *end = 0;
|
|
long val = strtol(str, &end, 0);
|
|
|
|
while (*end == ':') {
|
|
long rs = strtol(end + 1, &end, 0);
|
|
if (rs < 0 || rs > INT_MAX) {
|
|
return -1;
|
|
}
|
|
if (!part->r) {
|
|
if (!rs)
|
|
return -1;
|
|
part->r = rs;
|
|
}
|
|
else {
|
|
part->s = rs;
|
|
break;
|
|
}
|
|
}
|
|
if (*end == '+') {
|
|
switch (*(end + 1)) {
|
|
case 's':
|
|
part->flag = OFFSET_SNI;
|
|
break;
|
|
case 'h':
|
|
part->flag = OFFSET_HOST;
|
|
break;
|
|
case 'e': //
|
|
part->flag = OFFSET_END;
|
|
break;
|
|
case 'n':
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
switch (*(end + 2)) {
|
|
case 'e':
|
|
part->flag |= OFFSET_END;
|
|
break;
|
|
case 'm':
|
|
part->flag |= OFFSET_MID;
|
|
break;
|
|
case 'r':
|
|
part->flag |= OFFSET_RAND;
|
|
break;
|
|
case 's':;
|
|
}
|
|
}
|
|
part->pos = val;
|
|
return 0;
|
|
}
|
|
|
|
|
|
void *add(void **root, int *n, size_t ss)
|
|
{
|
|
char *p = realloc(*root, ss * (*n + 1));
|
|
if (!p) {
|
|
uniperror("realloc");
|
|
return 0;
|
|
}
|
|
*root = p;
|
|
p = (p + ((*n) * ss));
|
|
memset(p, 0, ss);
|
|
*n = *n + 1;
|
|
return p;
|
|
}
|
|
|
|
|
|
void clear_params(void)
|
|
{
|
|
#ifdef _WIN32
|
|
WSACleanup();
|
|
#endif
|
|
if (params.mempool) {
|
|
mem_destroy(params.mempool);
|
|
params.mempool = 0;
|
|
}
|
|
if (params.dp) {
|
|
for (int i = 0; i < params.dp_count; i++) {
|
|
struct desync_params s = params.dp[i];
|
|
if (s.ip_options != ip_option) {
|
|
free(s.ip_options);
|
|
s.ip_options = ip_option;
|
|
}
|
|
if (s.parts != 0) {
|
|
free(s.parts);
|
|
s.parts = 0;
|
|
}
|
|
if (s.tlsrec != 0) {
|
|
free(s.tlsrec);
|
|
s.tlsrec = 0;
|
|
}
|
|
if (s.fake_data.data != 0) {
|
|
free(s.fake_data.data);
|
|
s.fake_data.data = 0;
|
|
}
|
|
if (s.file_ptr != 0) {
|
|
free(s.file_ptr);
|
|
s.file_ptr = 0;
|
|
}
|
|
if (s.hosts != 0) {
|
|
mem_destroy(s.hosts);
|
|
s.hosts = 0;
|
|
}
|
|
}
|
|
free(params.dp);
|
|
params.dp = 0;
|
|
}
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
#ifdef _WIN32
|
|
WSADATA wsa;
|
|
|
|
if (WSAStartup(MAKEWORD(2, 2), &wsa)) {
|
|
uniperror("WSAStartup");
|
|
return -1;
|
|
}
|
|
if (register_winsvc(argc, argv)) {
|
|
return 0;
|
|
}
|
|
#endif
|
|
int optc = sizeof(options)/sizeof(*options);
|
|
for (int i = 0, e = optc; i < e; i++)
|
|
optc += options[i].has_arg;
|
|
|
|
char opt[optc + 1];
|
|
opt[optc] = 0;
|
|
|
|
for (int i = 0, o = 0; o < optc; i++, o++) {
|
|
opt[o] = options[i].val;
|
|
for (int c = options[i].has_arg; c; c--) {
|
|
o++;
|
|
opt[o] = ':';
|
|
}
|
|
}
|
|
|
|
params.laddr.sin6_port = htons(1080);
|
|
if (!ipv6_support()) {
|
|
params.baddr.sin6_family = AF_INET;
|
|
}
|
|
|
|
int rez;
|
|
int invalid = 0;
|
|
|
|
long val = 0;
|
|
char *end = 0;
|
|
bool all_limited = 1;
|
|
|
|
struct desync_params *dp = add((void *)¶ms.dp,
|
|
¶ms.dp_count, sizeof(struct desync_params));
|
|
if (!dp) {
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
|
|
while (!invalid && (rez = getopt_long(
|
|
argc, argv, opt, options, 0)) != -1) {
|
|
|
|
switch (rez) {
|
|
|
|
case 'N':
|
|
params.resolve = 0;
|
|
break;
|
|
case 'X':
|
|
params.ipv6 = 0;
|
|
break;
|
|
case 'U':
|
|
params.udp = 0;
|
|
break;
|
|
#ifdef __linux__
|
|
case 'E':
|
|
params.transparent = 1;
|
|
break;
|
|
#endif
|
|
|
|
case 'h':
|
|
printf(help_text);
|
|
clear_params();
|
|
return 0;
|
|
case 'v':
|
|
printf("%s\n", VERSION);
|
|
clear_params();
|
|
return 0;
|
|
|
|
case 'i':
|
|
if (get_addr(optarg,
|
|
(struct sockaddr_ina *)¶ms.laddr) < 0)
|
|
invalid = 1;
|
|
break;
|
|
|
|
case 'p':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val <= 0 || val > 0xffff || *end)
|
|
invalid = 1;
|
|
else
|
|
params.laddr.sin6_port = htons(val);
|
|
break;
|
|
|
|
case 'I':
|
|
if (get_addr(optarg,
|
|
(struct sockaddr_ina *)¶ms.baddr) < 0)
|
|
invalid = 1;
|
|
break;
|
|
|
|
case 'b':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val <= 0 || val > INT_MAX/4 || *end)
|
|
invalid = 1;
|
|
else
|
|
params.bfsize = val;
|
|
break;
|
|
|
|
case 'c':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val <= 0 || val >= (0xffff/2) || *end)
|
|
invalid = 1;
|
|
else
|
|
params.max_open = val;
|
|
break;
|
|
|
|
case 'x': //
|
|
params.debug = strtol(optarg, 0, 0);
|
|
if (params.debug < 0)
|
|
invalid = 1;
|
|
break;
|
|
|
|
// desync options
|
|
|
|
case 'F':
|
|
params.tfo = 1;
|
|
break;
|
|
|
|
case 'L':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val < 0 || val > 1 || *end)
|
|
invalid = 1;
|
|
else
|
|
params.auto_level = val;
|
|
break;
|
|
|
|
case 'R':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val < 1 || val > INT_MAX || *end)
|
|
invalid = 1;
|
|
else
|
|
params.repeats = val;
|
|
break;
|
|
|
|
case 'A':
|
|
if (!(dp->hosts || dp->proto || dp->pf[0] || dp->detect)) {
|
|
all_limited = 0;
|
|
}
|
|
dp = add((void *)¶ms.dp, ¶ms.dp_count,
|
|
sizeof(struct desync_params));
|
|
if (!dp) {
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
end = optarg;
|
|
while (end && !invalid) {
|
|
switch (*end) {
|
|
case 't':
|
|
dp->detect |= DETECT_TORST;
|
|
break;
|
|
case 'r':
|
|
dp->detect |= DETECT_HTTP_LOCAT;
|
|
break;
|
|
case 'a':
|
|
case 's':
|
|
dp->detect |= DETECT_TLS_ERR;
|
|
break;
|
|
case 'n':
|
|
break;
|
|
default:
|
|
invalid = 1;
|
|
continue;
|
|
}
|
|
end = strchr(end, ',');
|
|
if (end) end++;
|
|
}
|
|
if (dp->detect && params.auto_level == AUTO_NOBUFF) {
|
|
params.auto_level = AUTO_NOSAVE;
|
|
}
|
|
break;
|
|
|
|
case 'u':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val <= 0 || *end)
|
|
invalid = 1;
|
|
else
|
|
params.cache_ttl = val;
|
|
break;
|
|
|
|
case 'T':;
|
|
#ifdef __linux__
|
|
float f = strtof(optarg, &end);
|
|
val = (long)(f * 1000);
|
|
#else
|
|
val = strtol(optarg, &end, 0);
|
|
#endif
|
|
if (val <= 0 || val > UINT_MAX || *end)
|
|
invalid = 1;
|
|
else
|
|
params.timeout = val;
|
|
break;
|
|
|
|
case 'K':
|
|
end = optarg;
|
|
while (end && !invalid) {
|
|
switch (*end) {
|
|
case 't':
|
|
dp->proto |= IS_HTTPS;
|
|
break;
|
|
case 'h':
|
|
dp->proto |= IS_HTTP;
|
|
break;
|
|
case 'u':
|
|
dp->proto |= IS_UDP;
|
|
break;
|
|
default:
|
|
invalid = 1;
|
|
continue;
|
|
}
|
|
end = strchr(end, ',');
|
|
if (end) end++;
|
|
}
|
|
break;
|
|
|
|
case 'H':;
|
|
if (dp->file_ptr) {
|
|
continue;
|
|
}
|
|
dp->file_ptr = ftob(optarg, &dp->file_size);
|
|
if (!dp->file_ptr) {
|
|
uniperror("read/parse");
|
|
invalid = 1;
|
|
continue;
|
|
}
|
|
dp->hosts = parse_hosts(dp->file_ptr, dp->file_size);
|
|
if (!dp->hosts) {
|
|
perror("parse_hosts");
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
case 's':
|
|
case 'd':
|
|
case 'o':
|
|
case 'q':
|
|
case 'f':
|
|
;
|
|
struct part *part = add((void *)&dp->parts,
|
|
&dp->parts_n, sizeof(struct part));
|
|
if (!part) {
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
if (parse_offset(part, optarg)) {
|
|
invalid = 1;
|
|
break;
|
|
}
|
|
switch (rez) {
|
|
case 's': part->m = DESYNC_SPLIT;
|
|
break;
|
|
case 'd': part->m = DESYNC_DISORDER;
|
|
break;
|
|
case 'o': part->m = DESYNC_OOB;
|
|
break;
|
|
case 'q': part->m = DESYNC_DISOOB;
|
|
break;
|
|
case 'f': part->m = DESYNC_FAKE;
|
|
}
|
|
break;
|
|
|
|
case 't':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val <= 0 || val > 255 || *end)
|
|
invalid = 1;
|
|
else
|
|
dp->ttl = val;
|
|
break;
|
|
|
|
case 'k':
|
|
if (dp->ip_options) {
|
|
continue;
|
|
}
|
|
if (optarg)
|
|
dp->ip_options = ftob(optarg, &dp->ip_options_len);
|
|
else {
|
|
dp->ip_options = ip_option;
|
|
dp->ip_options_len = sizeof(ip_option);
|
|
}
|
|
if (!dp->ip_options) {
|
|
uniperror("read/parse");
|
|
invalid = 1;
|
|
}
|
|
break;
|
|
|
|
case 'S':
|
|
dp->md5sig = 1;
|
|
break;
|
|
|
|
case 'O':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val <= 0 || *end)
|
|
invalid = 1;
|
|
else
|
|
dp->fake_offset = val;
|
|
break;
|
|
|
|
case 'n':
|
|
if (change_tls_sni(optarg, fake_tls.data, fake_tls.size)) {
|
|
fprintf(stderr, "error chsni\n");
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
printf("sni: %s\n", optarg);
|
|
break;
|
|
|
|
case 'l':
|
|
if (dp->fake_data.data) {
|
|
continue;
|
|
}
|
|
dp->fake_data.data = ftob(optarg, &dp->fake_data.size);
|
|
if (!dp->fake_data.data) {
|
|
uniperror("read/parse");
|
|
invalid = 1;
|
|
}
|
|
break;
|
|
|
|
case 'e':
|
|
val = parse_cform(dp->oob_char, 1, optarg, strlen(optarg));
|
|
if (val != 1) {
|
|
invalid = 1;
|
|
}
|
|
else dp->oob_char[1] = 1;
|
|
break;
|
|
|
|
case 'M':
|
|
end = optarg;
|
|
while (end && !invalid) {
|
|
switch (*end) {
|
|
case 'r':
|
|
dp->mod_http |= MH_SPACE;
|
|
break;
|
|
case 'h':
|
|
dp->mod_http |= MH_HMIX;
|
|
break;
|
|
case 'd':
|
|
dp->mod_http |= MH_DMIX;
|
|
break;
|
|
default:
|
|
invalid = 1;
|
|
continue;
|
|
}
|
|
end = strchr(end, ',');
|
|
if (end) end++;
|
|
}
|
|
break;
|
|
|
|
case 'r':
|
|
part = add((void *)&dp->tlsrec,
|
|
&dp->tlsrec_n, sizeof(struct part));
|
|
if (!part) {
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
if (parse_offset(part, optarg)
|
|
|| part->pos > 0xffff) {
|
|
invalid = 1;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 'a':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val < 0 || val > INT_MAX || *end)
|
|
invalid = 1;
|
|
else
|
|
dp->udp_fake_count = val;
|
|
break;
|
|
|
|
case 'V':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val <= 0 || val > USHRT_MAX)
|
|
invalid = 1;
|
|
else {
|
|
dp->pf[0] = htons(val);
|
|
if (*end == '-') {
|
|
val = strtol(end + 1, &end, 0);
|
|
if (val <= 0 || val > USHRT_MAX)
|
|
invalid = 1;
|
|
}
|
|
if (*end)
|
|
invalid = 1;
|
|
else
|
|
dp->pf[1] = htons(val);
|
|
}
|
|
break;
|
|
|
|
case 'g':
|
|
val = strtol(optarg, &end, 0);
|
|
if (val <= 0 || val > 255 || *end)
|
|
invalid = 1;
|
|
else {
|
|
params.def_ttl = val;
|
|
params.custom_ttl = 1;
|
|
}
|
|
break;
|
|
|
|
case 'Y':
|
|
dp->drop_sack = 1;
|
|
break;
|
|
|
|
case 'w': //
|
|
params.sfdelay = strtol(optarg, &end, 0);
|
|
if (params.sfdelay < 0 || optarg == end
|
|
|| params.sfdelay >= 1000 || *end)
|
|
invalid = 1;
|
|
break;
|
|
|
|
case 'W':
|
|
params.wait_send = 0;
|
|
break;
|
|
#ifdef __linux__
|
|
case 'P':
|
|
params.protect_path = optarg;
|
|
break;
|
|
#endif
|
|
case 0:
|
|
break;
|
|
|
|
case '?':
|
|
clear_params();
|
|
return -1;
|
|
|
|
default:
|
|
printf("?: %c\n", rez);
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
}
|
|
if (invalid) {
|
|
fprintf(stderr, "invalid value: -%c %s\n", rez, optarg);
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
if (all_limited) {
|
|
dp = add((void *)¶ms.dp,
|
|
¶ms.dp_count, sizeof(struct desync_params));
|
|
if (!dp) {
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (params.baddr.sin6_family != AF_INET6) {
|
|
params.ipv6 = 0;
|
|
}
|
|
if (!params.def_ttl) {
|
|
if ((params.def_ttl = get_default_ttl()) < 1) {
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
}
|
|
params.mempool = mem_pool(0);
|
|
if (!params.mempool) {
|
|
uniperror("mem_pool");
|
|
clear_params();
|
|
return -1;
|
|
}
|
|
srand((unsigned int)time(0));
|
|
|
|
int status = run((struct sockaddr_ina *)¶ms.laddr);
|
|
clear_params();
|
|
return status;
|
|
}
|