test: adds test for lua http2 library

tests/lua/lua-http2lib-01/README.md

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+https://redmine.openinfosecfoundation.org/issues/6409
+
+Test lua HTTP/2 support
+
+Pcap with both HTTP1 and HTTP2 traffic

tests/lua/lua-http2lib-01/http-lua.rules

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+alert http2:stream:request_headers any any -> any any (msg: "Test HTTP2 Lua"; lua: http2.lua; sid:1;)
+alert http1:request_line any any -> any any (msg: "Test HTTP2 Lua"; lua: http2.lua; sid:2;)
+
+alert http any any -> any any (msg: "Test HTTPX Lua"; lua: httpx.lua; sid:3;)
+
+alert http any any -> any any (msg: "Test HTTPX1 Lua"; lua: httpx1.lua; sid:4;)
+alert http any any -> any any (msg: "Test HTTPX2 Lua"; lua: httpx2.lua; sid:5;)

tests/lua/lua-http2lib-01/http2.lua

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+-- simple http or http2 match on request_uri_raw
+local http = require("suricata.http")
+
+function init (args)
+    return {}
+end
+
+function match(args)
+    local tx = http.get_tx()
+    uriraw, err = tx:request_uri_raw()
+
+    if #uriraw > 0 then
+        if uriraw:find("/toto") then
+            return 1
+        end
+    end
+
+    return 0
+end

tests/lua/lua-http2lib-01/httpx.lua

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+-- simple http or http2 match on request_uri_raw
+local http = require("suricata.http")
+
+function init (args)
+   local needs = {}
+   needs["http.uri"] = true
+   return needs
+end
+
+function match(args)
+    local tx = http.get_tx()
+    uriraw, err = tx:request_uri_raw()
+
+    if #uriraw > 0 then
+        if uriraw:find("/toto") then
+            return 1
+        end
+    end
+
+    return 0
+end

tests/lua/lua-http2lib-01/httpx1.lua

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+-- simple http or http2 match on request_uri_raw
+local http = require("suricata.http")
+
+function init (args)
+   local needs = {}
+   needs["http.uri"] = true
+   return needs
+end
+
+function match(args)
+    local tx = http.get_h1_tx()
+    uriraw, err = tx:request_uri_raw()
+
+    if #uriraw > 0 then
+        if uriraw:find("/toto") then
+            return 1
+        end
+    end
+
+    return 0
+end

tests/lua/lua-http2lib-01/httpx2.lua

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+-- simple http or http2 match on request_uri_raw
+local http = require("suricata.http")
+
+function init (args)
+   local needs = {}
+   needs["http.uri"] = true
+   return needs
+end
+
+function match(args)
+    local tx = http.get_h2_tx()
+    uriraw, err = tx:request_uri_raw()
+
+    if #uriraw > 0 then
+        if uriraw:find("/toto") then
+            return 1
+        end
+    end
+
+    return 0
+end

tests/lua/lua-http2lib-01/test.yaml

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+requires:
+  features:
+    - HAVE_LUA
+  min-version: 9
+
+args:
+  - --set security.lua.allow-rules=true
+  - --set default-rule-path=${TEST_DIR}
+  - -k none
+
+checks:
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 1
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 2
+  - filter:
+      count: 2
+      match:
+        alert.signature_id: 3
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 4
+  - filter:
+      count: 1
+      match:
+        alert.signature_id: 5