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Temporary fix #17

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This commit will entirely disable Fake SNI if flag -DNO_FAKE_SNI is set
This commit is contained in:
Vadim Vetrov
2024-08-02 10:19:04 +03:00
parent 10006d464f
commit a96d6213b1
3 changed files with 12 additions and 5 deletions
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13
youtubeUnblock.c
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@@ -701,18 +701,18 @@ static int process_packet(const struct packet_data packet) {
#ifdef USE_TCP_SEGMENTATION
int ret = 0;
#ifdef FAKE_SNI
struct pkt_buff *fake_sni = gen_fake_sni(ip_header, tcph);
if (fake_sni == NULL) goto fallback;
int ret = 0;
#ifdef FAKE_SNI
ret = send_raw_socket(fake_sni);
#endif
if (ret < 0) {
perror("send fake sni\n");
pktb_free(fake_sni);
goto fallback;
}
#endif
size_t ipd_offset = vrd.sni_offset;
size_t mid_offset = ipd_offset + vrd.sni_len / 2;
@@ -725,14 +725,19 @@ static int process_packet(const struct packet_data packet) {
if (pktb == NULL) {
perror("pktb_alloc of payload");
#ifdef FAKE_SNI
pktb_free(fake_sni);
#endif
goto fallback;
}
if (tcp4_frag(pktb, mid_offset, &frag1, &frag2) < 0) {
perror("tcp4_frag");
pktb_free(pktb);
#ifdef FAKE_SNI
pktb_free(fake_sni);
#endif
goto fallback;
}
@@ -764,7 +769,9 @@ static int process_packet(const struct packet_data packet) {
err:
pktb_free(frag2);
pktb_free(pktb);
#ifdef FAKE_SNI
pktb_free(fake_sni);
#endif
#else
// TODO: Implement compute of tcp checksum