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52 lines
2.0 KiB
52 lines
2.0 KiB
From 7fc7ebd5785629074297ee324b22e0aee9ad00f9 Mon Sep 17 00:00:00 2001
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From: Willy Tarreau <w@1wt.eu>
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Date: Tue, 16 Sep 2014 16:21:19 +0200
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Subject: [PATCH 13/13] MINOR: config: detect the case where a tcp-request
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content rule has no inspect-delay
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If a frontend has any tcp-request content rule relying on request contents
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without any inspect delay, we now emit a warning as this will randomly match.
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This can be backported to 1.5 as it reduces the support effort.
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(cherry picked from commit e42bd96d0acc38ea7c546c8de8115ffd1dd6c3f3)
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---
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src/cfgparse.c | 23 +++++++++++++++++++++++
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1 file changed, 23 insertions(+)
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diff --git a/src/cfgparse.c b/src/cfgparse.c
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index 9ff44e9..f723a3a 100644
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--- a/src/cfgparse.c
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+++ b/src/cfgparse.c
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@@ -6998,6 +6998,29 @@ out_uri_auth_compat:
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newsrv = newsrv->next;
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}
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+ /* check if we have a frontend with "tcp-request content" looking at L7
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+ * with no inspect-delay
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+ */
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+ if ((curproxy->cap & PR_CAP_FE) && !curproxy->tcp_req.inspect_delay) {
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+ list_for_each_entry(trule, &curproxy->tcp_req.inspect_rules, list) {
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+ if (trule->action == TCP_ACT_CAPTURE &&
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+ !(trule->act_prm.cap.expr->fetch->val & SMP_VAL_FE_SES_ACC))
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+ break;
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+ if ((trule->action >= TCP_ACT_TRK_SC0 && trule->action <= TCP_ACT_TRK_SCMAX) &&
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+ !(trule->act_prm.trk_ctr.expr->fetch->val & SMP_VAL_FE_SES_ACC))
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+ break;
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+ }
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+
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+ if (&trule->list != &curproxy->tcp_req.inspect_rules) {
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+ Warning("config : %s '%s' : some 'tcp-request content' rules explicitly depending on request"
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+ " contents were found in a frontend without any 'tcp-request inspect-delay' setting."
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+ " This means that these rules will randomly find their contents. This can be fixed by"
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+ " setting the tcp-request inspect-delay.\n",
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+ proxy_type_str(curproxy), curproxy->id);
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+ err_code |= ERR_WARN;
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+ }
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+ }
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+
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if (curproxy->cap & PR_CAP_FE) {
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if (!curproxy->accept)
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curproxy->accept = frontend_accept;
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--
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1.8.5.5
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