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nfqws: prepare for +- autottl

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bol-van
2025-04-29 17:45:34 +03:00
parent 68a538daed
commit d21175b4a3
4 changed files with 26 additions and 11 deletions
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17
nfq/nfqws.c
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@@ -692,11 +692,18 @@ static void load_file_or_exit(const char *filename, void *buf, size_t *size)
static bool parse_autottl(const char *s, autottl *t)
{
bool neg=true;
unsigned int delta,min,max;
AUTOTTL_SET_DEFAULT(*t);
if (s)
{
max = t->max;
if (*s=='+')
{
neg=false;
s++;
} else if (*s=='-')
s++;
switch (sscanf(s,"%u:%u-%u",&delta,&min,&max))
{
case 3:
@@ -706,8 +713,8 @@ static bool parse_autottl(const char *s, autottl *t)
if ((delta && !min) || min>255 || min>max) return false;
t->min=(uint8_t)min;
case 1:
if (delta>255) return false;
t->delta=(uint8_t)delta;
if (delta>127) return false;
t->delta=(int8_t)(neg ? -delta : delta);
break;
default:
return false;
@@ -1475,7 +1482,7 @@ static void exithelp(void)
#endif
" --dpi-desync-ttl=<int>\t\t\t\t; set ttl for fakes packets\n"
" --dpi-desync-ttl6=<int>\t\t\t; set ipv6 hop limit for fake packet. by default --dpi-desync-ttl value is used.\n"
" --dpi-desync-autottl=[<delta>[:<min>[-<max>]]]\t; auto ttl mode for both ipv4 and ipv6. default: %u:%u-%u\n"
" --dpi-desync-autottl=[<delta>[:<min>[-<max>]]]\t; auto ttl mode for both ipv4 and ipv6. default: %d:%u-%u\n"
" --dpi-desync-autottl6=[<delta>[:<min>[-<max>]]] ; overrides --dpi-desync-autottl for ipv6 only\n"
" --dpi-desync-fooling=<mode>[,<mode>]\t\t; can use multiple comma separated values. modes : none md5sig badseq badsum datanoack hopbyhop hopbyhop2\n"
" --dpi-desync-repeats=<N>\t\t\t; send every desync packet N times\n"
@@ -2783,9 +2790,9 @@ int main(int argc, char **argv)
if (dp->orig_mod_ttl6 == 0xFF) dp->orig_mod_ttl6=dp->orig_mod_ttl;
if (!AUTOTTL_ENABLED(dp->desync_autottl6)) dp->desync_autottl6 = dp->desync_autottl;
if (AUTOTTL_ENABLED(dp->desync_autottl))
DLOG("profile %d autottl ipv4 %u:%u-%u\n",dp->n,dp->desync_autottl.delta,dp->desync_autottl.min,dp->desync_autottl.max);
DLOG("profile %d autottl ipv4 %d:%u-%u\n",dp->n,dp->desync_autottl.delta,dp->desync_autottl.min,dp->desync_autottl.max);
if (AUTOTTL_ENABLED(dp->desync_autottl6))
DLOG("profile %d autottl ipv6 %u:%u-%u\n",dp->n,dp->desync_autottl6.delta,dp->desync_autottl6.min,dp->desync_autottl6.max);
DLOG("profile %d autottl ipv6 %d:%u-%u\n",dp->n,dp->desync_autottl6.delta,dp->desync_autottl6.min,dp->desync_autottl6.max);
split_compat(dp);
if (!dp_fake_defaults(dp))
{