BUG/MEDIUM: lua: reset lua transaction between http requests
Previously LUA code would maintain the transaction state between http requests, resulting in things like txn:get_priv() retrieving data from a previous request. This addresses the issue by ensuring the LUA state is reset between requests. Co-authored-by: Tim Dsterhus <tim@bastelstu.be>
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@ -0,0 +1,15 @@
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core.register_action("bug", { "http-res" }, function(txn)
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data = txn:get_priv()
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if not data then
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data = 0
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end
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data = data + 1
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print(string.format("set to %d", data))
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txn.http:res_set_status(200 + data)
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txn:set_priv(data)
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end)
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core.register_service("fakeserv", "http", function(applet)
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applet:set_status(200)
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applet:start_response()
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end)
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@ -0,0 +1,31 @@
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varnishtest "Lua: txn:get_priv() scope"
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feature ignore_unknown_macro
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haproxy h1 -conf {
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global
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lua-load ${testdir}/h00001.lua
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frontend fe1
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mode http
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bind "fd@${fe1}"
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default_backend b1
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http-response lua.bug
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backend b1
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mode http
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http-request use-service lua.fakeserv
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} -start
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client c0 -connect ${h1_fe1_sock} {
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txreq -url "/"
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rxresp
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expect resp.status == 201
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txreq -url "/"
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rxresp
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expect resp.status == 201
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}
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client c0 -start
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client c0 -wait
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@ -62,6 +62,7 @@
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#include <proto/h1.h>
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#include <proto/log.h>
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#include <proto/hdr_idx.h>
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#include <proto/hlua.h>
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#include <proto/pattern.h>
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#include <proto/proto_tcp.h>
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#include <proto/proto_http.h>
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@ -4460,6 +4461,9 @@ void http_end_txn_clean_session(struct stream *s)
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s->flags &= ~(SF_CURR_SESS|SF_REDIRECTABLE|SF_SRV_REUSED);
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s->flags &= ~(SF_ERR_MASK|SF_FINST_MASK|SF_REDISP);
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hlua_ctx_destroy(s->hlua);
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s->hlua = NULL;
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s->txn->meth = 0;
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http_reset_txn(s);
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s->txn->flags |= TX_NOT_FIRST | TX_WAIT_NEXT_RQ;
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