http_events table and JA3 support

.gitmodules

@@ -124,3 +124,6 @@
 [submodule "libraries/cmake/source/augeas/gnulib/src"]
 	path = libraries/cmake/source/augeas/gnulib/src
 	url = https://github.com/osquery/third-party-gnulib
+[submodule "libraries/cmake/source/libpcap/src"]
+	path = libraries/cmake/source/libpcap/src
+	url = https://github.com/the-tcpdump-group/libpcap

CMakeLists.txt

@@ -129,6 +129,7 @@ function(importLibraries)
     "Linux,Darwin,Windows:openssl"
     "Linux,Darwin,Windows:aws-sdk-cpp"
     "Linux,Darwin,Windows:icu"
+    "Linux:libpcap"
   )
 
   foreach(python_module ${python_module_list})

libraries/cmake/source/libpcap/CMakeLists.txt

@@ -0,0 +1,47 @@
+# Copyright (c) 2014-present, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed in accordance with the terms specified in
+# the LICENSE file found in the root directory of this source tree.
+
+function(libPcapMain)
+  set(library_root "${CMAKE_CURRENT_SOURCE_DIR}/src")
+  add_library(thirdparty_libpcap
+	"${library_root}/bpf_dump.c"
+	"${library_root}/etherent.c"
+	"${library_root}/fmtutils.c"
+	"${library_root}/pcap-common.c"
+	"${library_root}/pcap-linux.c"
+	"${library_root}/sf-pcapng.c"
+	"${library_root}/bpf_filter.c"
+	"${library_root}/fad-getad.c"
+	"${library_root}/gencode.c"
+	"${library_root}/pcap-netfilter-linux.c"
+	"${library_root}/rpcap-protocol.c"
+	"${library_root}/sockutils.c"
+	"${library_root}/bpf_image.c"
+	"${library_root}/fad-gifc.c"
+	"${library_root}/nametoaddr.c"
+	"${library_root}/pcap-null.c"
+	"${library_root}/savefile.c"
+	"${library_root}/optimize.c"
+	"${library_root}/pcap.c"
+	"${library_root}/sf-pcap.c"
+	"${library_root}/../generated/scanner.c"
+	"${library_root}/../generated/grammar.c"
+
+  )
+  target_compile_definitions(thirdparty_libpcap PRIVATE
+    HAVE_STRLCPY
+  )
+  target_include_directories(thirdparty_libpcap PUBLIC
+    $<1:${library_root}>
+    "${CMAKE_CURRENT_SOURCE_DIR}/generated"
+  )
+  target_compile_options(thirdparty_libpcap PRIVATE
+    -include "${CMAKE_CURRENT_SOURCE_DIR}/config/linux/config.h"
+  )
+
+endfunction()
+
+libPcapMain()