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auto: remove cl_err alert, add ssl_err

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This commit is contained in:
ruti 2024-08-13 17:00:03 +03:00
parent 8ad4c22b30
commit ff17dc424b
5 changed files with 16 additions and 35 deletions
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15
extend.c
View File

@ -223,20 +223,11 @@ int on_response(struct poolhd *pool, struct eval *val,
&& is_http_redirect(req, qn, resp, sn)) {
break;
}
else if ((dp->detect & DETECT_TLS_INVSID)
&& neq_tls_sid(req, qn, resp, sn)) {
else if ((dp->detect & DETECT_TLS_ERR)
&& ((is_tls_chello(req, qn) && !is_tls_shello(resp, sn))
|| neq_tls_sid(req, qn, resp, sn))) {
break;
}
else if ((dp->detect & DETECT_TLS_ALERT)
&& is_tls_alert(resp, sn)) {
break;
}
else if (dp->detect & DETECT_HTTP_CLERR) {
int code = get_http_code(resp, sn);
if (code > 400 && code < 451 && code != 429) {
break;
}
}
}
if (m < params.dp_count) {
return reconnect(pool, val, m);

19
main.c
View File

@ -76,8 +76,8 @@ const char help_text[] = {
#ifdef TCP_FASTOPEN_CONNECT
" -F, --tfo Enable TCP Fast Open\n"
#endif
" -A, --auto[=t,r,c,s,a,n] Try desync params after this option\n"
" Detect: torst,redirect,cl_err,sid_inv,alert,none\n"
" -A, --auto <t,r,s,n> Try desync params after this option\n"
" Detect: torst,redirect,ssl_err,none\n"
" -u, --cache-ttl <sec> Lifetime of cached desync params for IP\n"
#ifdef TIMEOUT_SUPPORT
" -T, --timeout <sec> Timeout waiting for response, after which trigger auto\n"
@ -123,7 +123,7 @@ const struct option options[] = {
#ifdef TCP_FASTOPEN_CONNECT
{"tfo ", 0, 0, 'F'},
#endif
{"auto", 2, 0, 'A'},
{"auto", 1, 0, 'A'},
{"cache-ttl", 1, 0, 'u'},
#ifdef TIMEOUT_SUPPORT
{"timeout", 1, 0, 'T'},
@ -542,10 +542,6 @@ int main(int argc, char **argv)
clear_params();
return -1;
}
if (!optarg) {
dp->detect |= DETECT_TORST;
break;
}
end = optarg;
while (end && !invalid) {
switch (*end) {
@ -555,14 +551,9 @@ int main(int argc, char **argv)
case 'r':
dp->detect |= DETECT_HTTP_LOCAT;
break;
case 'c':
dp->detect |= DETECT_HTTP_CLERR;
break;
case 'a':
case 's':
dp->detect |= DETECT_TLS_INVSID;
break;
case 'a':
dp->detect |= DETECT_TLS_ALERT;
dp->detect |= DETECT_TLS_ERR;
break;
case 'n':
break;

9
packets.c
View File

@ -351,10 +351,11 @@ bool neq_tls_sid(char *req, size_t qn, char *resp, size_t sn)
}
bool is_tls_alert(char *resp, size_t sn) {
return (sn >= 7
&& resp[0] == 0x15 && resp[1] == 0x03
&& !memcmp(resp + 3, "\x00\x02\x02", 3));
bool is_tls_shello(char *buffer, size_t bsize)
{
return (bsize > 5 &&
ANTOHS(buffer, 0) == 0x1603 &&
buffer[5] == 0x02);
}
/*

2
packets.h
View File

@ -39,7 +39,7 @@ bool is_http_redirect(char *req, size_t qn, char *resp, size_t sn);
bool neq_tls_sid(char *req, size_t qn, char *resp, size_t sn);
bool is_tls_alert(char *resp, size_t sn);
bool is_tls_shello(char *buffer, size_t bsize);
int part_tls(char *buffer, size_t bsize, ssize_t n, long pos);

6
params.h
View File

@ -24,10 +24,8 @@
#define OFFSET_HOST 2
#define DETECT_HTTP_LOCAT 1
#define DETECT_HTTP_CLERR 2
#define DETECT_TLS_INVSID 4
#define DETECT_TLS_ALERT 8
#define DETECT_TORST 16
#define DETECT_TLS_ERR 2
#define DETECT_TORST 8
enum demode {
DESYNC_NONE,