mirror of
https://github.com/Waujito/youtubeUnblock.git
synced 2024-12-22 06:15:31 +00:00
513 lines
12 KiB
C
513 lines
12 KiB
C
#include "config.h"
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#include "types.h"
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#include <linux/moduleparam.h>
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#include "types.h"
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#define STR_MAXLEN 2048
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static char custom_fake_buf[MAX_FAKE_SIZE];
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struct config_t config = {
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.threads = THREADS_NUM,
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.queue_start_num = DEFAULT_QUEUE_NUM,
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.mark = DEFAULT_RAWSOCKET_MARK,
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.use_ipv6 = 1,
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.verbose = VERBOSE_DEBUG,
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.use_gso = 1,
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.default_config = default_section_config,
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.custom_configs_len = 0
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};
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#define def_section (&config.default_config)
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static int unumeric_set(const char *val, const struct kernel_param *kp) {
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int n = 0, ret;
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ret = kstrtoint(val, 10, &n);
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if (ret != 0 || n < 0)
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return -EINVAL;
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return param_set_int(val, kp);
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}
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static int boolean_set(const char *val, const struct kernel_param *kp) {
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int n = 0, ret;
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ret = kstrtoint(val, 10, &n);
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if (ret != 0 || (n != 0 && n != 1))
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return -EINVAL;
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return param_set_int(val, kp);
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}
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static int inverse_boolean_set(const char *val, const struct kernel_param *kp) {
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int n = 0, ret;
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ret = kstrtoint(val, 10, &n);
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if (ret != 0 || (n != 0 && n != 1))
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return -EINVAL;
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n = !n;
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if (kp->arg == NULL)
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return -EINVAL;
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*(int *)kp->arg = n;
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return 0;
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}
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static int inverse_boolean_get(char *buffer, const struct kernel_param *kp) {
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if (*(int *)kp->arg == 0) {
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buffer[0] = '1';
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} else {
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buffer[0] = '0';
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}
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buffer[1] = '\0';
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return strlen(buffer);
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}
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static const struct kernel_param_ops unumeric_parameter_ops = {
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.set = unumeric_set,
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.get = param_get_int
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};
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static const struct kernel_param_ops boolean_parameter_ops = {
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.set = boolean_set,
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.get = param_get_int
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};
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static const struct kernel_param_ops inverse_boolean_ops = {
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.set = inverse_boolean_set,
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.get = inverse_boolean_get,
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};
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module_param_cb(fake_sni, &boolean_parameter_ops, &def_section->fake_sni, 0664);
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module_param_cb(fake_sni_seq_len, &unumeric_parameter_ops, &def_section->fake_sni_seq_len, 0664);
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module_param_cb(faking_ttl, &unumeric_parameter_ops, &def_section->faking_ttl, 0664);
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module_param_cb(fake_seq_offset, &unumeric_parameter_ops, &def_section->fakeseq_offset, 0664);
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module_param_cb(frag_sni_reverse, &unumeric_parameter_ops, &def_section->frag_sni_reverse, 0664);
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module_param_cb(frag_sni_faked, &boolean_parameter_ops, &def_section->frag_sni_faked, 0664);
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module_param_cb(frag_middle_sni, &boolean_parameter_ops, &def_section->frag_middle_sni, 0664);
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module_param_cb(frag_sni_pos, &unumeric_parameter_ops, &def_section->frag_sni_pos, 0664);
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module_param_cb(fk_winsize, &unumeric_parameter_ops, &def_section->fk_winsize, 0664);
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module_param_cb(synfake, &boolean_parameter_ops, &def_section->synfake, 0664);
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module_param_cb(synfake_len, &unumeric_parameter_ops, &def_section->synfake_len, 0664);
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module_param_cb(packet_mark, &unumeric_parameter_ops, &config.mark, 0664);
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// module_param_cb(seg2delay, &unumeric_parameter_ops, &def_section->seg2_delay, 0664);
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static int sni_domains_set(const char *val, const struct kernel_param *kp) {
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size_t len;
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int ret;
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len = strnlen(val, STR_MAXLEN + 1);
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if (len == STR_MAXLEN + 1) {
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pr_err("%s: string parameter too long\n", kp->name);
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return -ENOSPC;
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}
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if (len >= 1 && val[len - 1] == '\n') {
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len--;
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}
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ret = param_set_charp(val, kp);
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if (ret < 0) {
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def_section->domains_strlen = 0;
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} else {
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def_section->domains_strlen = len;
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if (len == 3 && !strncmp(val, "all", len)) {
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def_section->all_domains = 1;
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} else {
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def_section->all_domains = 0;
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}
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}
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return ret;
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}
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static const struct kernel_param_ops sni_domains_ops = {
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.set = sni_domains_set,
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.get = param_get_charp,
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};
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module_param_cb(sni_domains, &sni_domains_ops, &def_section->domains_str, 0664);
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static int exclude_domains_set(const char *val, const struct kernel_param *kp) {
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size_t len;
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int ret;
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len = strnlen(val, STR_MAXLEN + 1);
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if (len == STR_MAXLEN + 1) {
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pr_err("%s: string parameter too long\n", kp->name);
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return -ENOSPC;
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}
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ret = param_set_charp(val, kp);
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if (ret < 0) {
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def_section->exclude_domains_strlen = 0;
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} else {
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def_section->exclude_domains_strlen = len;
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}
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return ret;
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}
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static const struct kernel_param_ops exclude_domains_ops = {
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.set = exclude_domains_set,
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.get = param_get_charp,
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};
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module_param_cb(exclude_domains, &exclude_domains_ops, &def_section->exclude_domains_str, 0664);
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module_param_cb(no_ipv6, &inverse_boolean_ops, &config.use_ipv6, 0664);
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static int quic_drop_set(const char *val, const struct kernel_param *kp) {
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int n = 0, ret;
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ret = kstrtoint(val, 10, &n);
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if (ret != 0 || (n != 0 && n != 1))
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return -EINVAL;
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if (n) {
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def_section->udp_mode = UDP_MODE_DROP;
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def_section->udp_filter_quic = UDP_FILTER_QUIC_ALL;
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} else {
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def_section->udp_filter_quic = UDP_FILTER_QUIC_DISABLED;
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}
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return 0;
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}
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static int quic_drop_get(char *buffer, const struct kernel_param *kp) {
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if (def_section->udp_mode == UDP_MODE_DROP &&
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def_section->udp_filter_quic == UDP_FILTER_QUIC_ALL) {
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return sprintf(buffer, "%d\n", 1);
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} else {
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return sprintf(buffer, "%d\n", 0);
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}
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}
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static const struct kernel_param_ops quic_drop_ops = {
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.set = quic_drop_set,
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.get = quic_drop_get
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};
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module_param_cb(quic_drop, &quic_drop_ops, NULL, 0664);
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static int verbosity_set(const char *val, const struct kernel_param *kp) {
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size_t len;
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len = strnlen(val, STR_MAXLEN + 1);
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if (len == STR_MAXLEN + 1) {
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pr_err("%s: string parameter too long\n", kp->name);
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return -ENOSPC;
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}
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if (len >= 1 && val[len - 1] == '\n') {
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len--;
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}
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if (strncmp(val, "trace", len) == 0) {
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*(int *)kp->arg = VERBOSE_TRACE;
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} else if (strncmp(val, "debug", len) == 0) {
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*(int *)kp->arg = VERBOSE_DEBUG;
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} else if (strncmp(val, "silent", len) == 0) {
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*(int *)kp->arg = VERBOSE_INFO;
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} else {
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return -EINVAL;
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}
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return 0;
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}
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static int verbosity_get(char *buffer, const struct kernel_param *kp) {
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switch (*(int *)kp->arg) {
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case VERBOSE_TRACE:
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strcpy(buffer, "trace\n");
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break;
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case VERBOSE_DEBUG:
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strcpy(buffer, "debug\n");
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break;
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case VERBOSE_INFO:
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strcpy(buffer, "silent\n");
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break;
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default:
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strcpy(buffer, "unknown\n");
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}
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return strlen(buffer);
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}
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static const struct kernel_param_ops verbosity_ops = {
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.set = verbosity_set,
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.get = verbosity_get,
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};
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module_param_cb(verbosity, &verbosity_ops, &config.verbose, 0664);
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static int frag_strat_set(const char *val, const struct kernel_param *kp) {
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size_t len;
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len = strnlen(val, STR_MAXLEN + 1);
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if (len == STR_MAXLEN + 1) {
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pr_err("%s: string parameter too long\n", kp->name);
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return -ENOSPC;
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}
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if (len >= 1 && val[len - 1] == '\n') {
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len--;
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}
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if (strncmp(val, "tcp", len) == 0) {
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*(int *)kp->arg = FRAG_STRAT_TCP;
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} else if (strncmp(val, "ip", len) == 0) {
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*(int *)kp->arg = FRAG_STRAT_IP;
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} else if (strncmp(val, "none", len) == 0) {
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*(int *)kp->arg = FRAG_STRAT_NONE;
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} else {
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return -EINVAL;
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}
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return 0;
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}
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static int frag_strat_get(char *buffer, const struct kernel_param *kp) {
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switch (*(int *)kp->arg) {
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case FRAG_STRAT_TCP:
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strcpy(buffer, "tcp\n");
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break;
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case FRAG_STRAT_IP:
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strcpy(buffer, "ip\n");
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break;
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case FRAG_STRAT_NONE:
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strcpy(buffer, "none\n");
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break;
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default:
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strcpy(buffer, "unknown\n");
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}
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return strlen(buffer);
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}
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static const struct kernel_param_ops frag_strat_ops = {
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.set = frag_strat_set,
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.get = frag_strat_get,
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};
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module_param_cb(fragmentation_strategy, &frag_strat_ops, &def_section->fragmentation_strategy, 0664);
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static int fake_strat_set(const char *val, const struct kernel_param *kp) {
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size_t len;
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len = strnlen(val, STR_MAXLEN + 1);
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if (len == STR_MAXLEN + 1) {
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pr_err("%s: string parameter too long\n", kp->name);
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return -ENOSPC;
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}
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if (len >= 1 && val[len - 1] == '\n') {
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len--;
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}
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if (strncmp(val, "randseq", len) == 0) {
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*(int *)kp->arg = FAKE_STRAT_RAND_SEQ;
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} else if (strncmp(val, "ttl", len) == 0) {
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*(int *)kp->arg = FAKE_STRAT_TTL;
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} else if (strncmp(val, "tcp_check", len) == 0) {
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*(int *)kp->arg = FAKE_STRAT_TCP_CHECK;
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} else if (strncmp(val, "pastseq", len) == 0) {
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*(int *)kp->arg = FAKE_STRAT_PAST_SEQ;
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} else if (strncmp(val, "md5sum", len) == 0) {
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*(int *)kp->arg = FAKE_STRAT_TCP_MD5SUM;
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} else {
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return -EINVAL;
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}
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return 0;
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}
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static int fake_strat_get(char *buffer, const struct kernel_param *kp) {
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switch (*(int *)kp->arg) {
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case FAKE_STRAT_RAND_SEQ:
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strcpy(buffer, "randseq\n");
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break;
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case FAKE_STRAT_TTL:
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strcpy(buffer, "ttl\n");
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break;
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case FAKE_STRAT_TCP_CHECK:
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strcpy(buffer, "tcp_check\n");
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break;
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case FAKE_STRAT_PAST_SEQ:
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strcpy(buffer, "pastseq\n");
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break;
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case FAKE_STRAT_TCP_MD5SUM:
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strcpy(buffer, "md5sum\n");
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break;
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default:
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strcpy(buffer, "unknown\n");
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}
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return strlen(buffer);
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}
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static const struct kernel_param_ops fake_strat_ops = {
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.set = fake_strat_set,
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.get = fake_strat_get,
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};
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module_param_cb(faking_strategy, &fake_strat_ops, &def_section->faking_strategy, 0664);
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static int sni_detection_set(const char *val, const struct kernel_param *kp) {
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size_t len;
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len = strnlen(val, STR_MAXLEN + 1);
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if (len == STR_MAXLEN + 1) {
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pr_err("%s: string parameter too long\n", kp->name);
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return -ENOSPC;
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}
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if (len >= 1 && val[len - 1] == '\n') {
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len--;
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}
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if (strncmp(val, "parse", len) == 0) {
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*(int *)kp->arg = SNI_DETECTION_PARSE;
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} else if (strncmp(val, "brute", len) == 0) {
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*(int *)kp->arg = SNI_DETECTION_BRUTE;
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} else {
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return -EINVAL;
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}
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return 0;
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}
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static int sni_detection_get(char *buffer, const struct kernel_param *kp) {
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switch (*(int *)kp->arg) {
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case SNI_DETECTION_PARSE:
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strcpy(buffer, "parse\n");
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break;
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case SNI_DETECTION_BRUTE:
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strcpy(buffer, "brute\n");
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break;
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default:
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strcpy(buffer, "unknown\n");
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}
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return strlen(buffer);
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}
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static const struct kernel_param_ops sni_detection_ops = {
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.set = sni_detection_set,
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.get = sni_detection_get,
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};
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module_param_cb(sni_detection, &sni_detection_ops, &def_section->sni_detection, 0664);
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static int fake_type_set(const char *val, const struct kernel_param *kp) {
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size_t len;
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len = strnlen(val, STR_MAXLEN + 1);
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if (len == STR_MAXLEN + 1) {
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pr_err("%s: string parameter too long\n", kp->name);
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return -ENOSPC;
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}
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if (len >= 1 && val[len - 1] == '\n') {
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len--;
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}
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if (strncmp(val, "default", len) == 0) {
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*(int *)kp->arg = FAKE_PAYLOAD_DEFAULT;
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} else if (strncmp(val, "custom", len) == 0) {
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*(int *)kp->arg = FAKE_PAYLOAD_CUSTOM;
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} else if (strncmp(val, "random", len) == 0) {
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*(int *)kp->arg = FAKE_PAYLOAD_RANDOM;
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} else {
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return -EINVAL;
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}
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return 0;
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}
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static int fake_type_get(char *buffer, const struct kernel_param *kp) {
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switch (*(int *)kp->arg) {
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case FAKE_PAYLOAD_DEFAULT:
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strcpy(buffer, "default\n");
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break;
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case FAKE_PAYLOAD_RANDOM:
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strcpy(buffer, "random\n");
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break;
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case FAKE_PAYLOAD_CUSTOM:
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strcpy(buffer, "custom\n");
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break;
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default:
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strcpy(buffer, "unknown\n");
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}
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return strlen(buffer);
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}
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static const struct kernel_param_ops fake_type_ops = {
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.set = fake_type_set,
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.get = fake_type_get,
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};
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module_param_cb(fake_sni_type, &fake_type_ops, &def_section->fake_sni_type, 0664);
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static int fake_custom_pl_set(const char *val, const struct kernel_param *kp) {
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size_t len;
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len = strnlen(val, STR_MAXLEN + 1);
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if (len == STR_MAXLEN + 1) {
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pr_err("%s: string parameter too long\n", kp->name);
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return -ENOSPC;
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}
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if (len >= 1 && val[len - 1] == '\n') {
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len--;
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}
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uint8_t *const custom_buf = (uint8_t *)custom_fake_buf;
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const char *custom_hex_fake = val;
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size_t custom_hlen = len;
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if ((custom_hlen & 1) == 1) {
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return -EINVAL;
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}
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size_t custom_len = custom_hlen >> 1;
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if (custom_len > MAX_FAKE_SIZE) {
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return -EINVAL;
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}
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for (int i = 0; i < custom_len; i++) {
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sscanf(custom_hex_fake + (i << 1), "%2hhx", custom_buf + i);
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}
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def_section->fake_custom_pkt_sz = custom_len;
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def_section->fake_custom_pkt = (char *)custom_buf;
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return 0;
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}
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static int fake_custom_pl_get(char *buffer, const struct kernel_param *kp) {
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int cflen = def_section->fake_custom_pkt_sz;
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const uint8_t *cbf_data = def_section->fake_custom_pkt;
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int bflen = def_section->fake_custom_pkt_sz << 1;
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for (int i = 0; i < cflen; i++) {
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sprintf(buffer + (i << 1), "%02x", *((unsigned char *)cbf_data + i));
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}
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return bflen;
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}
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static const struct kernel_param_ops fake_custom_pl_ops = {
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.set = fake_custom_pl_set,
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.get = fake_custom_pl_get,
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};
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module_param_cb(fake_custom_payload, &fake_custom_pl_ops, &def_section->fake_custom_pkt, 0664);
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