mirror of
https://github.com/Waujito/youtubeUnblock.git
synced 2024-12-22 06:15:31 +00:00
213 lines
4.6 KiB
C
213 lines
4.6 KiB
C
#include "config.h"
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#include <stdbool.h>
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <stdlib.h>
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#include <string.h>
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struct config_t config = {
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.rawsocket = -2,
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.threads = THREADS_NUM,
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.fragmentation_strategy = FRAGMENTATION_STRATEGY,
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.fake_sni_strategy = FAKE_SNI_STRATEGY,
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.fake_sni_ttl = FAKE_SNI_TTL,
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#ifdef SEG2_DELAY
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.seg2_delay = SEG2_DELAY,
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#else
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.seg2_delay = 0,
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#endif
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#ifdef USE_GSO
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.use_gso = true,
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#else
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.use_gso = false,
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#endif
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#ifdef DEBUG
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.verbose = true,
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#else
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.verbose = false,
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#endif
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.domains_str = defaul_snistr,
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.domains_strlen = sizeof(defaul_snistr),
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.queue_start_num = DEFAULT_QUEUE_NUM,
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};
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#define OPT_SNI_DOMAINS 1
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#define OPT_FAKE_SNI 2
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#define OPT_FAKE_SNI_TTL 3
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#define OPT_FRAG 4
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#define OPT_SEG2DELAY 5
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#define OPT_THREADS 6
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#define OPT_SILENT 7
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#define OPT_NO_GSO 8
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#define OPT_QUEUE_NUM 9
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static struct option long_opt[] = {
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{"help", 0, 0, 'h'},
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{"version", 0, 0, 'v'},
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{"sni-domains", 1, 0, OPT_SNI_DOMAINS},
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{"fake-sni", 1, 0, OPT_FAKE_SNI},
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{"fake-sni-ttl", 1, 0, OPT_FAKE_SNI_TTL},
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{"frag", 1, 0, OPT_FRAG},
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{"seg2delay", 1, 0, OPT_SEG2DELAY},
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{"threads", 1, 0, OPT_THREADS},
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{"silent", 0, 0, OPT_SILENT},
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{"no-gso", 0, 0, OPT_NO_GSO},
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{"queue-num", 1, 0, OPT_QUEUE_NUM},
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{0,0,0,0}
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};
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static long parse_numeric_option(const char* value) {
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errno = 0;
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if (*value == '\0') {
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errno = EINVAL;
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return 0;
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}
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char* end;
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long result = strtol(value, &end, 10);
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if (*end != '\0') {
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errno = EINVAL;
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return 0;
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}
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return result;
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}
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void print_version() {
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printf("youtubeUnblock\n");
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printf("Bypasses youtube detection systems that relies on SNI\n");
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}
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void print_usage(const char *argv0) {
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print_version();
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printf("Usage: %s [ OPTIONS ] \n", argv0);
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printf("Options:\n");
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printf("\t--queue-num=<number of netfilter queue>\n");
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printf("\t--sni-domains=<comma separated domain list>|all\n");
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printf("\t--fake-sni={ack,ttl,none}\n");
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printf("\t--fake-sni-ttl=<ttl>\n");
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printf("\t--frag={tcp,ip,none}\n");
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printf("\t--seg2delay=<delay>\n");
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printf("\t--threads=<threads number>\n");
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printf("\t--silent\n");
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printf("\t--no-gso\n");
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printf("\n");
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}
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int parse_args(int argc, char *argv[]) {
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int opt;
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int optIdx;
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long num;
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while ((opt = getopt_long(argc, argv, "hv", long_opt, &optIdx)) != -1) {
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switch (opt) {
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case 'h':
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print_usage(argv[0]);
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goto out;
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case 'v':
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print_version();
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goto out;
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case OPT_SILENT:
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config.verbose = 0;
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break;
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case OPT_NO_GSO:
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config.use_gso = 0;
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break;
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case OPT_SNI_DOMAINS:
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if (strcmp(optarg, "all")) {
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config.all_domains = 1;
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}
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config.domains_str = optarg;
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config.domains_strlen = strlen(config.domains_str);
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break;
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case OPT_FRAG:
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if (strcmp(optarg, "tcp") == 0) {
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config.fragmentation_strategy = FRAG_STRAT_TCP;
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} else if (strcmp(optarg, "ip") == 0) {
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config.fragmentation_strategy = FRAG_STRAT_IP;
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} else if (strcmp(optarg, "none") == 0) {
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config.fragmentation_strategy = FRAG_STRAT_NONE;
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} else {
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printf("Invalid option %s\n", long_opt[optIdx].name);
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goto error;
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}
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break;
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case OPT_FAKE_SNI:
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if (strcmp(optarg, "ack") == 0) {
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config.fake_sni_strategy = FKSN_STRAT_ACK_SEQ;
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} else if (strcmp(optarg, "ttl") == 0) {
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config.fake_sni_strategy = FKSN_STRAT_TTL;
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} else if (strcmp(optarg, "none") == 0) {
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config.fake_sni_strategy = FKSN_STRAT_NONE;
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} else {
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errno = EINVAL;
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printf("Invalid option %s\n", long_opt[optIdx].name);
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goto error;
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}
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break;
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case OPT_SEG2DELAY:
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num = parse_numeric_option(optarg);
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if (errno != 0 || num < 0) {
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printf("Invalid option %s\n", long_opt[optIdx].name);
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goto error;
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}
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config.seg2_delay = num;
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break;
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case OPT_THREADS:
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num = parse_numeric_option(optarg);
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if (errno != 0 || num < 0 || num > MAX_THREADS) {
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printf("Invalid option %s\n", long_opt[optIdx].name);
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goto error;
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}
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config.threads = num;
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break;
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case OPT_FAKE_SNI_TTL:
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num = parse_numeric_option(optarg);
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if (errno != 0 || num < 0 || num > 255) {
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printf("Invalid option %s\n", long_opt[optIdx].name);
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goto error;
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}
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config.fake_sni_ttl = num;
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break;
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case OPT_QUEUE_NUM:
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num = parse_numeric_option(optarg);
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if (errno != 0 || num < 0) {
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printf("Invalid option %s\n", long_opt[optIdx].name);
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goto error;
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}
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config.queue_start_num = num;
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break;
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default:
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goto error;
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}
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}
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errno = 0;
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return 0;
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out:
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errno = 0;
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return 1;
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error:
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print_usage(argv[0]);
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errno = EINVAL;
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return -1;
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}
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