Commit 3f3e8d5d authored by Simon McVittie's avatar Simon McVittie

spec: Do not promise match rules with eavesdrop='true' can be added

This is no longer true, and it seems less misleading to raise an
error than to obey the letter of the spec by quietly ignoring calls
from an inappropriate caller.
Signed-off-by: Simon McVittie's avatarSimon McVittie <>
Reviewed-by: Philip Withnall's avatarPhilip Withnall <>
parent 3064b55e
......@@ -4371,9 +4371,7 @@
Clients may attempt to eavesdrop by adding match rules
(see <xref linkend="message-bus-routing-match-rules"/>) containing
the <literal>eavesdrop='true'</literal> match. If the message bus'
security policy does not allow eavesdropping, the match rule can
still be added, but will not have any practical effect. For
the <literal>eavesdrop='true'</literal> match. For
compatibility with older message bus implementations, if adding such
a match rule results in an error reply, the client may fall back to
adding the same rule with the <literal>eavesdrop</literal> match
......@@ -4624,9 +4622,6 @@
delivered to their <literal>DESTINATION</literal>
regardless of match rules, so this match does not
affect normal delivery of unicast messages.
If the message bus has a security policy which forbids
eavesdropping, this match may still be used without error,
but will not have any practical effect.
In older versions of D-Bus, this match was not allowed
in match rules, and all match rules behaved as if
<literal>eavesdrop='true'</literal> had been used.
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