Add IPv4 to proto list

This commit is contained in:
ruti 2024-11-10 02:39:21 +03:00
parent 276073ddea
commit 890a66ee2f
4 changed files with 38 additions and 21 deletions

View File

@ -69,8 +69,8 @@ ciadpi --fake -1 --ttl 8
Таймаут ожидания первого ответа от сервера в секундах
В Linux переводится в миллисекунды, поэтому можно указать дробное число
-K, --proto <t,h,u>
Белый список протоколов: tls,http,udp
-K, --proto <t,h,u,i>
Белый список протоколов: tls,http,udp,ipv4
-H, --hosts <file|:string>
Ограничить область действия параметров списком доменов

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@ -117,13 +117,6 @@ static int cache_add(const struct sockaddr_ina *dst, int m)
}
static inline bool check_port(const uint16_t *p, const struct sockaddr_in6 *dst)
{
return (dst->sin6_port >= p[0]
&& dst->sin6_port <= p[1]);
}
int connect_hook(struct poolhd *pool, struct eval *val,
const struct sockaddr_ina *dst, int next)
{
@ -195,10 +188,10 @@ static bool check_host(
return 0;
}
static bool check_proto_tcp(int proto, const char *buffer, ssize_t n)
{
if (proto & IS_TCP) {
if (!(proto & ~IS_IPV4)) {
return 1;
}
else if ((proto & IS_HTTP) &&
@ -213,6 +206,27 @@ static bool check_proto_tcp(int proto, const char *buffer, ssize_t n)
}
static bool check_l34(int proto, const uint16_t *pf, int st, const struct sockaddr_in6 *dst)
{
if ((proto & IS_UDP) && (st != SOCK_DGRAM)) {
return 0;
}
if (proto & IS_IPV4) {
static const char *pat = "\0\0\0\0\0\0\0\0\0\0\xff\xff";
if (dst->sin6_family != AF_INET
&& memcmp(&dst->sin6_addr, pat, 12)) {
return 0;
}
}
if (pf[0] &&
(dst->sin6_port < pf[0] || dst->sin6_port > pf[1])) {
return 0;
}
return 1;
}
static bool check_round(const int *nr, int r)
{
return (!nr[1] && r <= 1) || (r >= nr[0] && r <= nr[1]);
@ -325,10 +339,10 @@ static int setup_conn(struct eval *client, const char *buffer, ssize_t n)
if (!m) for (; m < params.dp_count; m++) {
struct desync_params *dp = &params.dp[m];
if (!dp->detect &&
(!dp->pf[0] || check_port(dp->pf, &client->pair->in6)) &&
(!dp->proto || check_proto_tcp(dp->proto, buffer, n)) &&
(!dp->hosts || check_host(dp->hosts, buffer, n))) {
if (!dp->detect
&& (check_l34(dp->proto, dp->pf, SOCK_STREAM, &client->pair->in6)
&& check_proto_tcp(dp->proto, buffer, n))
&& (!dp->hosts || check_host(dp->hosts, buffer, n))) {
break;
}
}
@ -528,9 +542,8 @@ ssize_t udp_hook(struct eval *val,
if (!m) {
for (; m < params.dp_count; m++) {
struct desync_params *dp = &params.dp[m];
if (!dp->detect &&
(!dp->proto || (dp->proto & IS_UDP)) &&
(!dp->pf[0] || check_port(dp->pf, &dst->in6))) {
if (!dp->detect
&& check_l34(dp->proto, dp->pf, SOCK_DGRAM, &dst->in6)) {
break;
}
}

5
main.c
View File

@ -83,7 +83,7 @@ const static char help_text[] = {
#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"
" -K, --proto <t,h,u,i> Protocol whitelist: tls,http,udp,ipv4\n"
" -H, --hosts <file|:str> Hosts whitelist, filename or :string\n"
" -V, --pf <port[-portr]> Ports range whitelist\n"
" -R, --round <num[-numr]> Number of request to which desync will be applied\n"
@ -687,6 +687,9 @@ int main(int argc, char **argv)
case 'u':
dp->proto |= IS_UDP;
break;
case 'i':
dp->proto |= IS_IPV4;
break;
default:
invalid = 1;
continue;

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@ -10,8 +10,9 @@
#define IS_UDP 2
#define IS_HTTP 4
#define IS_HTTPS 8
//#define IS_QUIC 16
//#define IS_DNS 32
#define IS_IPV4 16
//#define IS_QUIC 64
//#define IS_DNS 128
#define MH_HMIX 1
#define MH_SPACE 2