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GoodbyeDPI
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SashaXser 2023-09-10 14:41:58 +04:00 committed by GitHub
parent d8becbd86c
commit c517b7342e
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2 changed files with 14 additions and 10 deletions
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22
src/goodbyedpi.c
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@ -177,17 +177,21 @@ static struct option long_options[] = {
static char *filter_string = NULL;
static char *filter_passive_string = NULL;
static void add_filter_str(int proto, int port) {
const char *udp = " or (udp and !impostor and !loopback and (udp.SrcPort == %d or udp.DstPort == %d))";
const char *tcp = " or (tcp and !impostor and !loopback " MAXPAYLOADSIZE_TEMPLATE " and (tcp.SrcPort == %d or tcp.DstPort == %d))";
static void add_maxpayloadsize_str(unsigned short maxpayload) {
const char *maxpayloadsize_str = "and (tcp.PayloadLength ? tcp.PayloadLength < %hu or tcp.Payload32[0] == 0x47455420 or tcp.Payload32[0] == 0x504F5354 : true)";
char *addfilter = malloc(strlen(maxpayloadsize_str) + 16);
size_t new_filter_size = strlen(filter_string) + (proto == IPPROTO_UDP ? strlen(udp) : strlen(tcp)) + 16;
char *new_filter = malloc(new_filter_size);
sprintf(new_filter, proto == IPPROTO_UDP ? udp : tcp, port, port);
sprintf(addfilter, maxpayloadsize_str, maxpayload);
char *newstr = repl_str(filter_string, MAXPAYLOADSIZE_TEMPLATE, addfilter);
free(filter_string);
filter_string = new_filter;
filter_string = newstr;
newstr = repl_str(filter_passive_string, MAXPAYLOADSIZE_TEMPLATE, addfilter);
free(filter_passive_string);
filter_passive_string = newstr;
free(addfilter); // Free the allocated memory
}
static void add_ip_id_str(int id) {
@ -869,7 +873,7 @@ int main(int argc, char *argv[]) {
char *autottl_copy = strdup(optarg);
if (strchr(autottl_copy, '-')) {
// token "-" found, start X-Y parser
char *autottl_current = strtok(autottl_copy, "-");
char *autottl_current = strtok_r(autottl_copy, "-", &saveptr);
auto_ttl_1 = atoub(autottl_current, "Set Auto TTL parameter error!");
autottl_current = strtok(NULL, "-");
if (!autottl_current) {

2
src/ttltrack.c
View File

@ -249,4 +249,4 @@ int tcp_get_auto_ttl(const uint8_t ttl, const uint8_t autottl1,
}
return ttl_of_fake_packet;
}
}