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From c3e2edb78e6d0b6ffc8acbe8fc7caef058b35d76 Mon Sep 17 00:00:00 2001
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From: Reid Wahl <nrwahl@protonmail.com>
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Date: Tue, 22 Dec 2020 22:28:46 -0800
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Subject: [PATCH] Fix: liblrmd: Limit node name addition to proxied attrd
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update commands
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remote_proxy_cb() currently adds the remote node's name as
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PCMK__XA_ATTR_NODE_NAME if that attribute is not explicitly set. This is
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necessary for attrd update commands. For those, lack of an explicit node
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name means to use the local node. Since requests are proxied to full
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nodes, the node hosting the remote resource would be incorrectly treated
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as the "local node", causing the attribute to be updated for the wrong
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node.
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However, for other commands, this is not the case. Lack of an explicit
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node name can mean "all nodes" (as for CLEAR_FAILURE and QUERY), or a
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node name may be ignored (as for REFRESH). In these cases (the
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non-update commands), we don't want to add a node name automatically if
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it's not explicitly set.
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Resolves: RHBZ#1907726
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Signed-off-by: Reid Wahl <nrwahl@protonmail.com>
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---
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lib/lrmd/proxy_common.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/lib/lrmd/proxy_common.c b/lib/lrmd/proxy_common.c
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index b8d889e..0f1e76a 100644
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--- a/lib/lrmd/proxy_common.c
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+++ b/lib/lrmd/proxy_common.c
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@@ -259,7 +259,11 @@ remote_proxy_cb(lrmd_t *lrmd, const char *node_name, xmlNode *msg)
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if (pcmk__str_eq(type, T_ATTRD, pcmk__str_casei)
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&& crm_element_value(request,
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- PCMK__XA_ATTR_NODE_NAME) == NULL) {
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+ PCMK__XA_ATTR_NODE_NAME) == NULL
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+ && pcmk__str_any_of(crm_element_value(request, PCMK__XA_TASK),
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+ PCMK__ATTRD_CMD_UPDATE,
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+ PCMK__ATTRD_CMD_UPDATE_BOTH,
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+ PCMK__ATTRD_CMD_UPDATE_DELAY, NULL)) {
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crm_xml_add(request, PCMK__XA_ATTR_NODE_NAME, proxy->node_name);
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}
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--
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1.8.3.1
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