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https://github.com/bol-van/zapret.git
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nfqws: TLS Hello from firefox. randomize
This commit is contained in:
bol-van
parent
d4ce24b3af
commit
a702adeec8
70
nfq/desync.c
70
nfq/desync.c
@ -15,22 +15,63 @@ const char *fake_http_request_default = "GET / HTTP/1.1\r\nHost: www.iana.org\r\
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"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8\r\n"
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"Accept-Encoding: gzip, deflate, br\r\n\r\n";
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const uint8_t fake_tls_clienthello_default[517] = {
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0x16, 0x03, 0x01, 0x02, 0x00, 0x01, 0x00, 0x01, 0xFC, 0x03, 0x03, 0x6F, 0x0B, 0xB6, 0x85, 0x58, 0x28, 0x59, 0xD5, 0x0D, 0x6C, 0x78, 0x39, 0x7F, 0x2B, 0x0B, 0x45, 0xA3, 0x71, 0x4F, 0x49, 0xD6, 0x34, 0x17, 0xC6, 0x59, 0xA5, 0x1D, 0x89, 0x01,
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0xE1, 0x72, 0x1D, 0x20, 0x9D, 0x2C, 0xAB, 0x26, 0x58, 0xA7, 0x83, 0xBF, 0xB7, 0xDC, 0x5F, 0x28, 0xAA, 0x11, 0xA7, 0x63, 0x54, 0x19, 0xCB, 0xC6, 0xC4, 0x0E, 0xA4, 0x15, 0x46, 0xCC, 0x2F, 0x25, 0x13, 0x9A, 0x14, 0x54, 0x00, 0x3E, 0x13, 0x02,
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0x13, 0x03, 0x13, 0x01, 0xC0, 0x2C, 0xC0, 0x30, 0x00, 0x9F, 0xCC, 0xA9, 0xCC, 0xA8, 0xCC, 0xAA, 0xC0, 0x2B, 0xC0, 0x2F, 0x00, 0x9E, 0xC0, 0x24, 0xC0, 0x28, 0x00, 0x6B, 0xC0, 0x23, 0xC0, 0x27, 0x00, 0x67, 0xC0, 0x0A, 0xC0, 0x14, 0x00, 0x39,
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0xC0, 0x09, 0xC0, 0x13, 0x00, 0x33, 0x00, 0x9D, 0x00, 0x9C, 0x00, 0x3D, 0x00, 0x3C, 0x00, 0x35, 0x00, 0x2F, 0x00, 0xFF, 0x01, 0x00, 0x01, 0x75, 0x00, 0x00, 0x00, 0x0D, 0x00, 0x0B, 0x00, 0x00, 0x08, 0x69, 0x61, 0x6E, 0x61, 0x2E, 0x6F, 0x72,
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0x67, 0x00, 0x0B, 0x00, 0x04, 0x03, 0x00, 0x01, 0x02, 0x00, 0x0A, 0x00, 0x0C, 0x00, 0x0A, 0x00, 0x1D, 0x00, 0x17, 0x00, 0x1E, 0x00, 0x19, 0x00, 0x18, 0x33, 0x74, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0E, 0x00, 0x0C, 0x02, 0x68, 0x32, 0x08, 0x68,
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0x74, 0x74, 0x70, 0x2F, 0x31, 0x2E, 0x31, 0x00, 0x16, 0x00, 0x00, 0x00, 0x17, 0x00, 0x00, 0x00, 0x31, 0x00, 0x00, 0x00, 0x0D, 0x00, 0x30, 0x00, 0x2E, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x08, 0x07, 0x08, 0x08, 0x08, 0x09, 0x08, 0x0A, 0x08,
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0x0B, 0x08, 0x04, 0x08, 0x05, 0x08, 0x06, 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x03, 0x03, 0x02, 0x03, 0x03, 0x01, 0x02, 0x01, 0x03, 0x02, 0x02, 0x02, 0x04, 0x02, 0x05, 0x02, 0x06, 0x02, 0x00, 0x2B, 0x00, 0x09, 0x08, 0x03, 0x04, 0x03, 0x03,
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0x03, 0x02, 0x03, 0x01, 0x00, 0x2D, 0x00, 0x02, 0x01, 0x01, 0x00, 0x33, 0x00, 0x26, 0x00, 0x24, 0x00, 0x1D, 0x00, 0x20, 0x1B, 0xB3, 0xF5, 0x23, 0x6E, 0x05, 0x98, 0x5D, 0x92, 0x30, 0x8A, 0xAC, 0x64, 0x61, 0x1F, 0xD7, 0x0A, 0x6D, 0xB1, 0xA5,
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0x74, 0xF9, 0x44, 0x07, 0xC0, 0x55, 0xD8, 0x8B, 0x0C, 0xEA, 0x29, 0x27, 0x00, 0x15, 0x00, 0xB5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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// random : +11 size 32
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// random : +44 size 32
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// sni : gatech.edu +125 size 11
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const uint8_t fake_tls_clienthello_default[648] = {
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0x16,0x03,0x01,0x02,0x83,0x01,0x00,0x02,0x7f,0x03,0x03,0x98,0xfb,0x69,0x1d,0x31,
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0x66,0xc4,0xd8,0x07,0x25,0x2b,0x74,0x47,0x01,0x44,0x09,0x08,0xcf,0x13,0x67,0xe0,
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0x46,0x19,0x1f,0xcb,0xee,0xe6,0x8e,0x33,0xb9,0x91,0xa0,0x20,0xf2,0xed,0x56,0x73,
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0xa4,0x0a,0xce,0xa6,0xad,0xd2,0xfd,0x71,0xb8,0xb9,0xfd,0x06,0x0e,0xdd,0xf0,0x57,
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0x37,0x7d,0x96,0xb5,0x80,0x6e,0x54,0xe2,0x15,0xce,0x5f,0xff,0x00,0x22,0x13,0x01,
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0x13,0x03,0x13,0x02,0xc0,0x2b,0xc0,0x2f,0xcc,0xa9,0xcc,0xa8,0xc0,0x2c,0xc0,0x30,
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0xc0,0x0a,0xc0,0x09,0xc0,0x13,0xc0,0x14,0x00,0x9c,0x00,0x9d,0x00,0x2f,0x00,0x35,
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0x01,0x00,0x02,0x14,0x00,0x00,0x00,0x0f,0x00,0x0d,0x00,0x00,0x0a,0x67,0x61,0x74,
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0x65,0x63,0x68,0x2e,0x65,0x64,0x75,0x00,0x17,0x00,0x00,0xff,0x01,0x00,0x01,0x00,
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0x00,0x0a,0x00,0x0e,0x00,0x0c,0x00,0x1d,0x00,0x17,0x00,0x18,0x00,0x19,0x01,0x00,
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0x01,0x01,0x00,0x0b,0x00,0x02,0x01,0x00,0x00,0x10,0x00,0x0e,0x00,0x0c,0x02,0x68,
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0x32,0x08,0x68,0x74,0x74,0x70,0x2f,0x31,0x2e,0x31,0x00,0x05,0x00,0x05,0x01,0x00,
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0x00,0x00,0x00,0x00,0x22,0x00,0x0a,0x00,0x08,0x04,0x03,0x05,0x03,0x06,0x03,0x02,
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0x03,0x00,0x33,0x00,0x6b,0x00,0x69,0x00,0x1d,0x00,0x20,0x72,0xe5,0xce,0x58,0x31,
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0x3c,0x08,0xaa,0x2f,0xa8,0x40,0xe7,0x7a,0xdf,0x46,0x5b,0x63,0x62,0xc7,0xfa,0x49,
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0x18,0xac,0xa1,0x00,0x7c,0x42,0xc5,0x02,0x94,0x5c,0x44,0x00,0x17,0x00,0x41,0x04,
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0x8f,0x3e,0x5f,0xd4,0x7f,0x37,0x47,0xd3,0x33,0x70,0x38,0x7f,0x11,0x35,0xc1,0x55,
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0x8a,0x6c,0xc7,0x5a,0xd4,0xf7,0x31,0xbb,0x9e,0xee,0xd1,0x8f,0x74,0xdd,0x9b,0xbb,
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0x91,0xa1,0x72,0xda,0xeb,0xf6,0xc6,0x82,0x84,0xfe,0xb7,0xfd,0x7b,0xe1,0x9f,0xd2,
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0xb9,0x3e,0x83,0xa6,0x9c,0xac,0x81,0xe2,0x00,0xd5,0x19,0x55,0x91,0xa7,0x0c,0x29,
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0x00,0x2b,0x00,0x05,0x04,0x03,0x04,0x03,0x03,0x00,0x0d,0x00,0x18,0x00,0x16,0x04,
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0x03,0x05,0x03,0x06,0x03,0x08,0x04,0x08,0x05,0x08,0x06,0x04,0x01,0x05,0x01,0x06,
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0x01,0x02,0x03,0x02,0x01,0x00,0x1c,0x00,0x02,0x40,0x01,0xfe,0x0d,0x01,0x19,0x00,
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0x00,0x01,0x00,0x01,0xfe,0x00,0x20,0xae,0x8b,0x30,0x3c,0xf0,0xa9,0x0d,0xa1,0x69,
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0x95,0xb8,0xe2,0xed,0x08,0x6d,0x48,0xdf,0xf7,0x5b,0x9d,0x66,0xef,0x15,0x97,0xbc,
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0x2c,0x99,0x91,0x12,0x7a,0x35,0xd0,0x00,0xef,0xb1,0x8d,0xff,0x61,0x57,0x52,0xef,
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0xd6,0xea,0xbf,0xf3,0x6d,0x78,0x14,0x38,0xff,0xeb,0x58,0xe8,0x9d,0x59,0x4b,0xd5,
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0x9f,0x59,0x12,0xf9,0x03,0x9a,0x20,0x37,0x85,0x77,0xb1,0x4c,0xd8,0xef,0xa6,0xc8,
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0x54,0x8d,0x07,0x27,0x95,0xce,0xd5,0x37,0x4d,0x69,0x18,0xd4,0xfd,0x5e,0xdf,0x64,
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0xcc,0x10,0x2f,0x7f,0x0e,0xc9,0xfd,0xd4,0xd0,0x18,0x61,0x1b,0x57,0x8f,0x41,0x7f,
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0x6f,0x4f,0x5c,0xad,0x04,0xc6,0x5e,0x74,0x54,0x87,0xba,0x28,0xe6,0x11,0x0b,0x9d,
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0x3f,0x0b,0x6d,0xf4,0x2d,0xfc,0x31,0x4e,0xfd,0x49,0xe7,0x15,0x96,0xaf,0xee,0x9a,
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0x48,0x1b,0xae,0x5e,0x7c,0x20,0xbe,0xb4,0xec,0x68,0xb6,0x74,0x22,0xa0,0xec,0xff,
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0x19,0x96,0xe4,0x10,0x8f,0x3c,0x91,0x88,0xa1,0xcc,0x78,0xef,0x4e,0x0e,0xe3,0xb6,
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0x57,0x8c,0x33,0xef,0xaa,0xb0,0x1d,0x45,0x1c,0x02,0x4c,0xe2,0x80,0x30,0xe8,0x48,
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0x7a,0x09,0x71,0x94,0x7c,0xb6,0x75,0x81,0x1c,0xae,0xe3,0x3f,0xde,0xea,0x2b,0x45,
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0xcc,0xe3,0x64,0x09,0xf7,0x60,0x26,0x0c,0x7d,0xad,0x55,0x65,0xb6,0xf5,0x85,0x04,
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0x64,0x2f,0x97,0xd0,0x6a,0x06,0x36,0xcd,0x25,0xda,0x51,0xab,0xd6,0xf7,0x5e,0xeb,
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0xd4,0x03,0x39,0xa4,0xc4,0x2a,0x9c,0x17,0xe8,0xb0,0x9f,0xc0,0xd3,0x8c,0x76,0xdd,
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0xa1,0x0b,0x76,0x9f,0x23,0xfa,0xed,0xfb,0xd7,0x78,0x0f,0x00,0xf7,0x45,0x03,0x04,
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0x84,0x66,0x6b,0xec,0xc7,0xed,0xbc,0xe4
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};
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static const char * tld[]={"com","org","net","edu","gov","biz"};
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void randomize_default_tls_payload(uint8_t *p)
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{
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fill_random_bytes(p+11,32);
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fill_random_bytes(p+44,32);
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fill_random_az(p+125,1);
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fill_random_az09(p+126,5);
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memcpy(p+132,tld[random()%(sizeof(tld)/sizeof(*tld))],3);
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}
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#define PKTDATA_MAXDUMP 32
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#define IP_MAXDUMP 80
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@ -41,7 +82,6 @@ void desync_init(void)
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memset(zeropkt, 0, sizeof(zeropkt));
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}
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bool desync_valid_zero_stage(enum dpi_desync_mode mode)
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{
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return mode==DESYNC_SYNACK || mode==DESYNC_SYNDATA;
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@ -41,7 +41,8 @@ enum dpi_desync_mode {
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};
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extern const char *fake_http_request_default;
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extern const uint8_t fake_tls_clienthello_default[517];
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extern const uint8_t fake_tls_clienthello_default[648];
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void randomize_default_tls_payload(uint8_t *p);
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enum dpi_desync_mode desync_mode_from_string(const char *s);
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bool desync_valid_zero_stage(enum dpi_desync_mode mode);
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@ -342,3 +342,25 @@ bool pf_parse(const char *s, port_filter *pf)
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return false;
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return true;
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}
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void fill_random_bytes(uint8_t *p,size_t sz)
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{
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size_t k,sz16 = sz>>1;
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for(k=0;k<sz16;k++) ((uint16_t*)p)[k]=(uint16_t)random();
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if (sz & 1) p[sz-1]=(uint8_t)random();
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}
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void fill_random_az(uint8_t *p,size_t sz)
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{
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size_t k;
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for(k=0;k<sz;k++) p[k] = 'a'+(random() % ('z'-'a'));
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}
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void fill_random_az09(uint8_t *p,size_t sz)
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{
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size_t k;
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uint8_t rnd;
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for(k=0;k<sz;k++)
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{
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rnd = random() % (10 + 'z'-'a'+1);
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p[k] = rnd<10 ? rnd+'0' : 'a'+rnd-10;
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}
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}
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@ -57,3 +57,7 @@ typedef struct
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} port_filter;
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bool pf_in_range(uint16_t port, const port_filter *pf);
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bool pf_parse(const char *s, port_filter *pf);
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void fill_random_bytes(uint8_t *p,size_t sz);
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void fill_random_az(uint8_t *p,size_t sz);
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void fill_random_az09(uint8_t *p,size_t sz);
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@ -924,7 +924,6 @@ int main(int argc, char **argv)
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return 0;
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}
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#endif
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int result, v;
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int option_index = 0;
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bool daemon = false;
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@ -954,6 +953,7 @@ int main(int argc, char **argv)
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params.desync_repeats = 1;
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params.fake_tls_size = sizeof(fake_tls_clienthello_default);
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memcpy(params.fake_tls,fake_tls_clienthello_default,params.fake_tls_size);
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randomize_default_tls_payload(params.fake_tls);
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params.fake_http_size = strlen(fake_http_request_default);
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memcpy(params.fake_http,fake_http_request_default,params.fake_http_size);
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params.fake_quic_size = 620; // must be 601+ for TSPU hack
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