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Add more custom fake message, random fake message

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This commit is contained in:
Vadim Vetrov
2024-09-26 18:11:05 +03:00
parent 0fe45ec33f
commit 82c49119d3
11 changed files with 759 additions and 515 deletions
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79
args.c
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@@ -7,7 +7,9 @@
#include <getopt.h>
#include <stdlib.h>
#include <string.h>
#include "types.h"
static char custom_fake_buf[MAX_FAKE_SIZE];
struct config_t config = {
.threads = THREADS_NUM,
@@ -18,6 +20,8 @@ struct config_t config = {
.faking_ttl = FAKE_TTL,
.fake_sni = 1,
.fake_sni_seq_len = 1,
.fake_sni_seq_type = FAKE_PAYLOAD_DEFAULT,
.fake_sni_type = FAKE_PAYLOAD_DEFAULT,
.frag_middle_sni = 1,
.frag_sni_pos = 1,
.use_ipv6 = 1,
@@ -55,6 +59,8 @@ struct config_t config = {
.queue_start_num = DEFAULT_QUEUE_NUM,
.fake_sni_pkt = fake_sni_old,
.fake_sni_pkt_sz = sizeof(fake_sni_old) - 1, // - 1 for null-terminator
.fake_custom_pkt = custom_fake_buf,
.fake_custom_pkt_sz = 0
};
#define OPT_SNI_DOMAINS 1
@@ -63,6 +69,9 @@ struct config_t config = {
#define OPT_FAKING_TTL 3
#define OPT_FAKING_STRATEGY 10
#define OPT_FAKE_SNI_SEQ_LEN 11
#define OPT_FAKE_SNI_SEQ_TYPE 26
#define OPT_FAKE_SNI_TYPE 27
#define OPT_FAKE_CUSTOM_PAYLOAD 28
#define OPT_FRAG 4
#define OPT_FRAG_SNI_REVERSE 12
#define OPT_FRAG_SNI_FAKED 13
@@ -83,7 +92,7 @@ struct config_t config = {
#define OPT_NO_GSO 8
#define OPT_QUEUE_NUM 9
#define OPT_MAX OPT_SNI_DOMAINS
#define OPT_MAX OPT_FAKE_CUSTOM_PAYLOAD
static struct option long_opt[] = {
{"help", 0, 0, 'h'},
@@ -94,6 +103,9 @@ static struct option long_opt[] = {
{"synfake", 1, 0, OPT_SYNFAKE},
{"synfake-len", 1, 0, OPT_SYNFAKE_LEN},
{"fake-sni-seq-len", 1, 0, OPT_FAKE_SNI_SEQ_LEN},
{"fake-sni-seq-type", 1, 0, OPT_FAKE_SNI_SEQ_TYPE},
{"fake-sni-type", 1, 0, OPT_FAKE_SNI_TYPE},
{"fake-custom-payload", 1, 0, OPT_FAKE_CUSTOM_PAYLOAD},
{"faking-strategy", 1, 0, OPT_FAKING_STRATEGY},
{"fake-seq-offset", 1, 0, OPT_FAKE_SEQ_OFFSET},
{"faking-ttl", 1, 0, OPT_FAKING_TTL},
@@ -150,6 +162,9 @@ void print_usage(const char *argv0) {
printf("\t--exclude-domains=<comma separated domain list>\n");
printf("\t--fake-sni={1|0}\n");
printf("\t--fake-sni-seq-len=<length>\n");
printf("\t--fake-sni-seq-type={default|random|custom}\n");
printf("\t--fake-sni-type={default|random|custom}\n");
printf("\t--fake-custom-payload=<hex payload>\n");
printf("\t--fake-seq-offset=<offset>\n");
printf("\t--faking-ttl=<ttl>\n");
printf("\t--faking-strategy={randseq|ttl|tcp_check|pastseq|md5sum}\n");
@@ -299,7 +314,7 @@ int parse_args(int argc, char *argv[]) {
break;
case OPT_FAKE_SEQ_OFFSET:
num = parse_numeric_option(optarg);
if (errno != 0 || num < 0) {
if (errno != 0) {
goto invalid_opt;
}
@@ -323,6 +338,66 @@ int parse_args(int argc, char *argv[]) {
config.fake_sni_seq_len = num;
break;
case OPT_FAKE_SNI_SEQ_TYPE:
if (strcmp(optarg, "default") == 0) {
config.fake_sni_seq_type = FAKE_PAYLOAD_DEFAULT;
} else if (strcmp(optarg, "random") == 0) {
config.fake_sni_seq_type = FAKE_PAYLOAD_RANDOM;
} else if (strcmp(optarg, "custom") == 0) {
config.fake_sni_seq_type = FAKE_PAYLOAD_CUSTOM;
} else {
goto invalid_opt;
}
break;
case OPT_FAKE_SNI_TYPE:
if (strcmp(optarg, "default") == 0) {
config.fake_sni_type = FAKE_PAYLOAD_DEFAULT;
} else if (strcmp(optarg, "random") == 0) {
config.fake_sni_type = FAKE_PAYLOAD_RANDOM;
} else if (strcmp(optarg, "custom") == 0) {
config.fake_sni_type = FAKE_PAYLOAD_CUSTOM;
} else {
goto invalid_opt;
}
break;
case OPT_FAKE_CUSTOM_PAYLOAD: {
uint8_t *const custom_buf = (uint8_t *)custom_fake_buf;
const char *custom_hex_fake = optarg;
size_t custom_hlen = strlen(custom_hex_fake);
if ((custom_hlen & 1) == 1) {
printf("Custom fake hex should be divisible by two\n");
goto invalid_opt;
}
size_t custom_len = custom_hlen >> 1;
if (custom_len > MAX_FAKE_SIZE) {
printf("Custom fake is too large\n");
goto invalid_opt;
}
for (int i = 0; i < custom_len; i++) {
sscanf(custom_hex_fake + (i << 1), "%2hhx", custom_buf + i);
}
config.fake_custom_pkt_sz = custom_len;
config.fake_custom_pkt = (char *)custom_buf;
// if (strcmp(optarg, "default") == 0) {
// config.fake_sni_type = FAKE_PAYLOAD_DEFAULT;
// } else if (strcmp(optarg, "random") == 0) {
// config.fake_sni_type = FAKE_PAYLOAD_RANDOM;
// } else if (strcmp(optarg, "custom") == 0) {
// config.fake_sni_type = FAKE_PAYLOAD_CUSTOM;
// } else {
// goto invalid_opt;
// }
//
}
break;
case OPT_FK_WINSIZE:
num = parse_numeric_option(optarg);
if (errno != 0 || num < 0) {