Commit e792ca67 authored by bol-van's avatar bol-van
Browse files

nfqws: display original SNI value

parent e5e53db6

nfq/nfqws.c

+36 −25
Original line number Diff line number Diff line
@@ -1067,11 +1067,20 @@ static bool onetime_tls_mod_blob(int profile_n, int fake_n, uint32_t fake_tls_mo 
			{

				size_t slen_new = strlen(fake_tls_sni);

				ssize_t slen_delta = slen_new-slen;

				char *s1=NULL;

				if (params.debug)

				{

					if ((s1 = malloc(slen+1)))

					{

						memcpy(s1,sni,slen); s1[slen]=0;

					}

				}

				if (slen_delta)

				{

					if ((*fake_tls_size+slen_delta)>fake_tls_buf_size)

					{

						DLOG_ERR("profile %d fake[%d] not enough space for new SNI\n", profile_n, fake_n);

						free(s1);

						return false;

					}

					memmove(sni+slen_new,sni+slen,fake_tls+*fake_tls_size-(sni+slen));
@@ -1084,7 +1093,9 @@ static bool onetime_tls_mod_blob(int profile_n, int fake_n, uint32_t fake_tls_mo 
					*fake_tls_size+=slen_delta;

					slen = slen_new;

				}

				DLOG("profile %d fake[%d] change sni to %s size_delta=%zd\n", profile_n, fake_n, fake_tls_sni,slen_delta);

				DLOG("profile %d fake[%d] change SNI : %s => %s size_delta=%zd\n", profile_n, fake_n, s1, fake_tls_sni, slen_delta);

				free(s1);



				memcpy(sni,fake_tls_sni,slen_new);

			}

			if (fake_tls_mod & FAKE_TLS_MOD_RND_SNI)
@@ -1125,7 +1136,6 @@ static bool onetime_tls_mod_blob(int profile_n, int fake_n, uint32_t fake_tls_mo 
				}

			}

		}

	}

		if (fake_tls_mod & FAKE_TLS_MOD_PADENCAP)

		{

			if (TLSFindExt(fake_tls,*fake_tls_size,21,&ext,&extlen,false))
@@ -1156,6 +1166,7 @@ static bool onetime_tls_mod_blob(int profile_n, int fake_n, uint32_t fake_tls_mo 
				DLOG("profile %d fake[%d] tls padding is absent. added. padding length offset %zu\n", profile_n, fake_n, modcache->padlen_offset);

			}

		}

	}

	return true;

}

static bool onetime_tls_mod(struct desync_profile *dp)